0001564590-20-042667 | 10-Q | XBRL Viewer

Shares repurchased for tax withholdings on RSU vesting

1,454

(730)

2,982

(4,740)

BALANCE at Apr. 30, 2019

32,024

142,558

(110,535)

BALANCE at Jan. 31, 2019

33,047

138,852

(10)

(105,795)

(9,723)

BALANCE at Jul. 31, 2019

30,811

146,323

(115,518)

BALANCE at Apr. 30, 2019

32,024

142,558

(110,535)

354

3,411

(4,983)

BALANCE at Jul. 31, 2019

30,811

146,323

(115,518)

BALANCE at Jan. 31, 2020

28,415

152,997

(124,596)

Shares repurchased for tax withholdings on RSU vesting

1,311

(472)

3,008

(1,066)

BALANCE at Apr. 30, 2020

31,208

156,844

(125,662)

BALANCE at Jan. 31, 2020

28,415

152,997

(124,596)

(1,433)

BALANCE at Jul. 31, 2020

34,213

160,219

(126,029)

BALANCE at Apr. 30, 2020

31,208

156,844

(125,662)

Shares repurchased for tax withholdings on RSU vesting

635

(350)

3,090

(3)

(367)

BALANCE at Jul. 31, 2020

$ 34,213

$ 160,219

$ 23

$ (126,029)

[1]	Additional paid-in capital
[2]	Accumulated other comprehensive income (loss)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

Overview and Basis of Presentation

Overview and Basis of Presentation

6 Months Ended

Jul. 31, 2020

Accounting Policies [Abstract]

Note 1: Overview and Basis of Presentation

Ooma, Inc. and its wholly-owned subsidiaries (collectively, “Ooma” or the “Company”) create new communications experiences for businesses and consumers, delivered from its smart cloud-based software-as-a-service (“SaaS”) and unified-communications-as-a-service (“UCaaS”) platforms. The Company is headquartered in Sunnyvale, California.

Fiscal Year. The Company’s fiscal year ends on January 31. References to fiscal 2021 and fiscal 2020 refer to the fiscal year ending January 31, 2021 and the fiscal year ended January 31, 2020, respectively.

Principles of Presentation and Consolidation

These unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (the “SEC”) regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, the information included in this Quarterly Report on Form 10-Q should be read in conjunction with the audited consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K for the year ended January 31, 2020 (“Annual Report”).

These financial statements have been prepared on the same basis as the Company’s annual financial statements and, in the opinion of management, reflect all normal recurring adjustments necessary to present fairly the Company’s financial position, its results of operations, and cash flows for the interim periods presented, but are not necessarily indicative of the results of operations to be anticipated for the full fiscal year ending January 31, 2021. The condensed consolidated balance sheet as of January 31, 2020 included herein was derived from the audited financial statements as of that date.

The condensed consolidated financial statements include accounts of the Company and its wholly-owned subsidiaries. All intercompany transactions and balances have been eliminated upon consolidation.

Use of Estimates. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the Company’s condensed consolidated financial statements and notes thereto. Significant estimates include, but are not limited to, those related to revenue recognition, inventory valuation, deferred commissions, valuation of goodwill and intangible assets, operating lease assets and liabilities, regulatory fees and indirect tax accruals, loss contingencies, stock-based compensation, income taxes (including valuation allowances) and fair value measurements. The Company bases its estimates and assumptions on historical experience, where applicable, and other factors that it believes to be reasonable under the circumstances, including but not limited to the potential impacts arising from the COVID-19 pandemic. These estimates are based on information available as of the date of the condensed consolidated financial statements, and assumptions are inherently subjective in nature. Therefore, actual results could differ from management’s estimates.

Significant Accounting Policies. The Company’s significant accounting policies are disclosed in its Annual Report.

Comprehensive Loss. For all periods presented, comprehensive loss approximated net loss in the condensed consolidated statements of operations and differences were not material. Therefore, the condensed consolidated statements of comprehensive loss have been omitted.

Adopted Accounting Standards

Financial Instruments-Credit Losses. On February 1, 2020, the Company adopted Accounting Standard Update (“ASU”) 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which replaced the legacy incurred loss impairment model with an expected credit loss model. The Company’s accounts receivable, convertible note receivable and available-for-sale debt securities are subject to this standard. The standard was adopted using the modified retrospective transition method, with no adjustment to accumulated deficit. Adoption did not have a material impact on the Company’s condensed consolidated financial statements and related disclosures. The Company will continue to actively monitor the impact of the COVID-19 pandemic on its estimate of expected credit losses.

Fair Value Measurement. On February 1, 2020, the Company adopted ASU 2018-13, Changes to Disclosure Requirements for Fair Value Measurements (Topic 820), which improved the effectiveness of disclosure requirements for recurring and nonrecurring fair value measurements. The standard removes, modifies, and adds certain disclosure requirements. Adoption did not have an impact on the Company’s condensed consolidated financial statements and related disclosures.

Accounting Standards Not Yet Adopted

Income Taxes. In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which simplifies certain aspects of the accounting for income taxes as well as clarifies and amends existing guidance to improve consistent application. The amendment is effective for the Company beginning fiscal 2022. The Company is evaluating the impact of the new guidance on its consolidated financial statements.

Revenue and Deferred Revenue

6 Months Ended

Jul. 31, 2020

Revenue From Contract With Customer [Abstract]

Revenue and Deferred Revenue

Note 2: Revenue and Deferred Revenue

The Company’s revenue is presented in accordance with the provisions under Topic 606. The Company derives its revenue from two sources:

Subscription and Services Revenue is derived primarily from recurring subscription fees related to service plans such as Ooma Business, Ooma Residential and other communications services. Service plans are generally sold as monthly subscriptions; however, certain plans are also offered as annual or multi-year subscriptions. Subscription revenue is generally recognized ratably over the contractual service term.

Product and Other Revenue is generated from the sale of on-premise appliances and end-point devices, including shipping and handling fees for direct customers, and to a lesser extent from porting fees that enable customers to transfer their existing phone numbers. The Company recognizes revenue from sales to direct end-customers and channel partners at the point-in-time that control transfers, which is typically when it delivers the product or when all customer contractual provisions have been met, if any.

Revenue disaggregated by revenue source consisted of the following (in thousands):

	Three Months Ended				Six Months Ended
	July 31, 2020		July 31, 2019		July 31, 2020		July 31, 2019
Subscription and services revenue	$	38,500	$	34,469	$	76,116	$	65,581
Product and other revenue		2,912		2,874		5,602		5,769
Total revenue	$	41,412	$	37,343	$	81,718	$	71,350

The Company derived approximately 55% and 59% of its total revenue from Ooma Residential and approximately 43% and 38% from Ooma Business for the three months ended July 31, 2020 and 2019, respectively. The Company derived approximately 55% and 62% of its total revenue from Ooma Residential and approximately 43% and 36% from Ooma Business for the six months ended July 31, 2020 and 2019, respectively.

No individual country outside of the United States represented 10% or more of total revenue for the periods presented. No single customer accounted for 10% or more of total revenue for the periods presented.

As of July 31, 2020, one customer accounted for 15% of the Company’s net accounts receivable balance. As of January 31, 2020, no single customer accounted for 10% or more of net accounts receivable.

Deferred Revenue primarily consists of billings or payments received in advance of meeting revenue recognition criteria. Deferred services revenue is recognized on a ratable basis over the term of the contract as the services are provided.

Deferred revenue consisted of the following (in thousands):

	As of
	July 31, 2020		January 31, 2020
Subscription and services	$	16,316	$	15,892
Product and other		73		79
Total deferred revenue	$	16,389		15,971
Less: current deferred revenue		16,270		15,797
Non-current deferred revenue included in other long-term liabilities	$	119	$	174

During the three and six months ended July 31, 2020, the Company recognized revenue of approximately $3.0 million and $12.3 million, respectively, pertaining to amounts deferred as of January 31, 2020. As of July 31, 2020, the Company’s deferred revenue balance was primarily composed of subscription contracts that were invoiced during the first six months of fiscal 2021, as well as amounts recorded during fiscal 2020 for annual contracts.

Remaining Performance Obligations. As of July 31, 2020, contract revenue that has not yet been recognized for open contracts with an original expected length of greater than one year was approximately $8.1 million. The Company expects to recognize revenue on approximately 52% of this amount over the next 12 months, with the balance to be recognized thereafter.

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

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Fair Value Measurements

6 Months Ended

Jul. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 3: Fair Value Measurements

The Company records its financial assets and liabilities at fair value. The Company estimates and categorizes fair value by applying the following hierarchy:

Level 1:

Quoted prices (unadjusted) for identical assets or liabilities in active markets.

Level 2:

Observable prices based on inputs not quoted in active markets, but are corroborated by market data.

Level 3:

Unobservable inputs that are supported by little or no market activity.

The Company’s financial assets that are measured at fair value on a recurring basis by level within the fair value hierarchy were as follows (in thousands):

	Balance as of July 31, 2020						Balance as of January 31, 2020
	Level 1		Level 2		Total		Level 1		Level 2		Total
Cash and cash equivalents:
Money market funds	$	4,859	$	—	$	4,859	$	4,822	$	—	$	4,822
Total cash equivalents	$	4,859	$	—	$	4,859	$	4,822	$	—	$	4,822
Cash						6,030						6,858
Total cash and cash equivalents					$	10,889					$	11,680

Short-term investments:
U.S. treasury securities	$	10,496	$	—	$	10,496	$	4,492	$	—	$	4,492
Corporate debt securities		—		1,826		1,826		—		3,504		3,504
U.S. agency securities		—		1,000		1,000		—		—		—
Commercial paper		—		525		525		—		5,482		5,482
Asset-backed securities		—		606		606		—		906		906
Total short-term investments	$	10,496	$	3,957	$	14,453	$	4,492	$	9,892	$	14,384

The Company classifies its cash equivalents and short-term investments within Level 1 or Level 2 because it uses quoted market prices or alternative pricing sources and models utilizing market observable inputs to determine their fair value. At July 31, 2020 and January 31, 2020, cash equivalents and short-term investments approximated their fair value and there were no material realized or unrealized gains or losses, either individually or in the aggregate. The Company had no Level 3 assets or liabilities for the periods presented.

The contractual maturities of short-term investments were as follows (in thousands):

	As of
	July 31, 2020		January 31, 2020
Due in one year or less	$	14,123	$	13,145
Due after one year to two years		330		1,239
Total	$	14,453	$	14,384

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Balance Sheet Components

6 Months Ended

Jul. 31, 2020

Balance Sheet Components [Abstract]

Balance Sheet Components

Note 4: Balance Sheet Components

The following sections and tables provide details of selected balance sheet items (in thousands):

Inventories

	As of
	July 31, 2020		January 31, 2020
Finished goods	$	7,098	$	6,988
Raw materials		2,151		1,381
Total inventory	$	9,249	$	8,369

Acquired intangible assets

	As of
	July 31, 2020		January 31, 2020
Customer relationships	$	5,334	$	5,841
Developed technology		521		622
Trade names		310		355
Total intangible assets	$	6,165	$	6,818

Amortization expense for acquired intangible assets was $0.3 million for each of the three months ended July 31, 2020 and 2019 and $0.7 million and $0.5 million for the six months ended July 31, 2020 and 2019, respectively.

Other assets

	As of
	July 31, 2020		January 31, 2020
Deferred sales commissions, current	$	3,573	$	2,525
Prepaid expenses		2,813		2,739
Convertible note receivable, including accrued interest		1,527		1,453
Deferred inventory costs		511		867
Other current assets		1,472		1,408
Total other current assets	$	9,896	$	8,992

Deferred sales commissions, non-current	$	9,154	$	7,412
Other non-current assets		664		774
Total other non-current assets	$	9,818	$	8,186

Deferred Sales Commissions. Amortization expense for deferred sales commissions was $0.9 million and $0.4 million for the three months ended July 31, 2020 and 2019, respectively, and $1.7 million and $0.8 million for the six months ended July 31, 2020 and 2019, respectively. To date, there have been no material impairment losses related to the costs capitalized.

Global Telecomm Corporation. In December 2018, the Company invested $1.3 million in cash to Global Telecomm Corporation, a small privately-held technology company, in exchange for an 18-month convertible promissory note, bearing interest at 10% annually, that will convert to shares of GTC common or preferred stock upon the occurrence of certain future events. During the second quarter of fiscal 2021, the Company executed an amended agreement with GTC that extended the maturity date of the convertible promissory note by nine months from June 30, 2020 to March 31, 2021.

The Company has partnered with GTC on certain research and development and inventory procurement activities. GTC is considered a variable interest entity (“VIE”) for accounting purposes. However, the Company is not required to consolidate GTC into its financial statements because the Company is not the primary beneficiary. As of July 31, 2020 and January 31, 2020, the Company’s maximum exposure to loss was equal to the carrying value of its convertible note receivable and associated interest receivable. For all periods presented, the Company had no other variable interests in VIEs.

GTC is a related party of Ooma as a result of the convertible note. As of July 31, 2020 and January 31, 2020, the Company recorded inventory prepayments to GTC of $0.3 million and $0.5 million, respectively, included in other current assets on the consolidated balance sheet. As of July 31, 2020 and January 31, 2020, the Company’s non-cancelable purchase commitments with GTC were $0.4 million and $2.2 million, respectively.

Accrued expenses and other current liabilities

	As of
	July 31, 2020		January 31, 2020
Payroll and related expenses	$	7,348	$	8,942
Regulatory fees and taxes		5,156		4,777
Short-term operating lease liabilities		3,835		3,263
Customer sales incentives		1,090		1,293
Other		4,085		4,301
Total accrued expenses	$	21,514	$	22,576

Operating Leases

6 Months Ended

Jul. 31, 2020

Leases [Abstract]

Operating Leases

Note 5: Operating Leases

The Company leases its headquarters located in Sunnyvale, California, as well as office and data center space in various locations under non-cancelable operating lease agreements.

Supplemental balance sheet information related to leases was as follows (in thousands):

	As of
	July 31, 2020		January 31, 2020
Assets
Operating lease right-of-use assets	$	6,759	$	8,057
Total leased assets	$	6,759	$	8,057
Liabilities
Short-term operating lease liabilities	$	3,835	$	3,263
Long-term operating lease liabilities		3,681		5,150
Total lease liabilities	$	7,516	$	8,413

Operating lease right-of-use assets and long-term operating lease liabilities are included on the face of the condensed consolidated balance sheet. Short-term operating lease liabilities are included in other current liabilities.

The Company incurred total lease costs in its consolidated statements of operations of $1.3 million and $0.9 million for the three months ended July 31, 2020 and 2019, respectively, and $2.5 million and $1.7 million for the six months ended July 31, 2020 and 2019, respectively.

Supplemental cash flow information related to leases was as follows (in thousands):

	Three Months Ended				Six Months Ended
	July 31, 2020		July 31, 2019		July 31, 2020		July 31, 2019
Cash payments for operating leases	$	975	527		$	1,406	$	1,053
Right-of-use assets recognized in exchange for new operating lease obligations		—		—		303		120

As of July 31, 2020, maturities of lease liabilities under non-cancelable operating leases were as follows (in thousands):

Fiscal Years Ending January 31,	July 31, 2020
2021 - remainder of fiscal year	$	1,942
2022		3,950
2023		1,565
2024		314
2025		200
Total lease payments		7,971
Less: imputed interest		(455	)
Present value of lease liabilities	$	7,516

Stockholders' Equity

6 Months Ended

Jul. 31, 2020

Equity [Abstract]

Stockholders' Equity

Note 6: Stockholders’ Equity

The Company has a stock-based compensation plan pursuant to which it has granted stock options and RSUs. The Company also maintains its 2015 Employee Stock Purchase Plan (the “ESPP”) for all eligible employees.

Stock Options. Stock option activity for the six months ended July 31, 2020 was as follows:

				Weighted Average		Aggregate
	Shares			Exercise Price		Intrinsic Value
	(in thousands)			Per Share		(in thousands)
Balance as of January 31, 2020		1,416		$	7.35	$	8,530
Granted		133		$	10.61
Exercised		(121	)	$	5.82
Canceled		(9	)	$	3.19
Balance as of July 31, 2020		1,419		$	7.81	$	10,430
Vested and exercisable as of July 31, 2020		1,182		$	6.99	$	9,644

The aggregate intrinsic value of vested options exercised during the six months ended July 31, 2020 and 2019 was $0.9 million and $1.8 million, respectively. The weighted average grant date fair value of options granted during the six months ended July 31, 2020 and 2019 was $4.72 and $7.13 per share, respectively.

Restricted Stock Units. RSU activity for the six months ended July 31, 2020 was as follows:

	Shares (in thousands)			Weighted Average Grant-Date Fair Value Per Share
Balance as of January 31, 2020		1,657		$	12.82
Granted		726		$	10.87
Vested		(491	)	$	11.52
Canceled		(45	)	$	13.12
Balance as of July 31, 2020		1,847		$	12.40

Employee Stock Purchase Plan. During each of the six months ended July 31, 2020 and 2019, employees purchased 0.1 million shares at a weighted purchase price of $9.98 and $9.86 per share, respectively.

Stock-Based Compensation

6 Months Ended

Jul. 31, 2020

Stock-Based Compensation

Note 7: Stock-Based Compensation

Total stock-based compensation recognized for stock-based awards in the condensed consolidated statements of operations was as follows (in thousands):

	Three Months Ended				Six Months Ended
	July 31, 2020		July 31, 2019		July 31, 2020		July 31, 2019
Cost of revenue	$	259	$	344	$	513	$	629
Sales and marketing		485		523		966		969
Research and development		1,074		1,238		2,125		2,334
General and administrative		1,272		1,306		2,494		2,461
Total stock-based compensation expense	$	3,090	$	3,411	$	6,098	$	6,393

As of July 31, 2020, there was $24.1 million of unrecognized stock-based compensation expense related to unvested RSUs, stock options and stock purchase rights under the Company’s ESPP that will be recognized on a straight-line basis over the remaining weighted-average vesting period of approximately 3 years.

Income Taxes

6 Months Ended

Jul. 31, 2020

Income Tax Disclosure [Abstract]

Income Taxes

Note 8: Income Taxes

The Company recorded no income tax expense during the three and six months ended July 31, 2020. The Company recorded income tax benefits of $16,000 and $38,000 during the three and six months ended July 31, 2019, respectively, primarily associated with state taxes and the Company’s acquisition of Voxter in March 2018. The Company continues to maintain a full valuation allowance against its deferred tax assets.

As of July 31, 2020, the Company had unrecognized tax benefits of $6.8 million, none of which would currently affect the Company's effective tax rate if recognized due to the Company's deferred tax assets being fully offset by a valuation allowance. The Company does not anticipate that the amount of unrecognized tax benefits relating to tax positions existing at July 31, 2020 will significantly increase or decrease within the next twelve months. There were no interest expense or penalties related to unrecognized tax benefits recorded through July 31, 2020.

A number of years may elapse before an uncertain tax position is audited and finally resolved. While it is often difficult to predict the final outcome or the timing of resolution of any particular uncertain tax position, the Company believes that its reserves for income taxes reflect the most likely outcome. The Company adjusts these reserves, as well as the related interest, in light of changing facts and circumstances. Settlement of any particular position could require the use of cash.

On March 27, 2020, the “Coronavirus Aid, Relief and Economic Security (CARES) Act” was signed into law. The CARES Act included provisions relating to refundable payroll tax credits, deferment of the employer portion of certain payroll taxes, net operating loss carryback periods, alternative minimum tax credit refunds, modifications to the net interest deduction limitations and technical corrections to tax depreciation methods for qualified improvement property. These provisions are not expected to have a material effect on the Company’s consolidated financial statements.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

Basic and Diluted Net Loss Per Share

Basic and Diluted Net Loss Per Share

6 Months Ended

Jul. 31, 2020

Earnings Per Share [Abstract]

Note 9: Basic and Diluted Net Loss Per Share

Basic and diluted net loss per share is calculated by dividing the net loss by the weighted average number of common shares outstanding during the period. Diluted net loss per share of common stock is the same as basic net loss per share of common stock because the effects of potentially dilutive securities are antidilutive as the Company reported net losses for all periods presented.

The following table sets forth the computation of the Company’s basic and diluted net loss per share of common stock (in thousands, except share and per share data):

	Three Months Ended						Six Months Ended
	July 31, 2020			July 31, 2019			July 31, 2020			July 31, 2019
Numerator
Net loss	$	(367	)	$	(4,983	)	$	(1,433	)	$	(9,723	)
Denominator
Weighted-average common shares		22,232,176			20,849,935			22,066,771			20,667,905
Basic and diluted net loss per share	$	(0.02	)	$	(0.24	)	$	(0.06	)	$	(0.47	)

Potentially dilutive securities of approximately 3.7 million and 4.0 million were excluded from the computation of diluted net loss per share for the three and six months ended July 31, 2020 and 2019, respectively. These shares included the Company’s outstanding RSUs, outstanding stock options and stock purchase rights under the ESPP at the end of the respective period. In the event the Company reported net income for the periods presented, a portion of these outstanding securities would be reflected in weighted-average shares outstanding for diluted earnings per share by application of the treasury method.

Commitments and Contingencies

6 Months Ended

Jul. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 10: Commitments and Contingencies

Purchase Commitments. Non-cancelable purchase commitments with the Company’s contract manufacturers and other parties were $4.0 million as of July 31, 2020 and January 31, 2020.

Legal Proceedings

In addition to the litigation matters described below, from time to time, the Company may be involved in a variety of other claims, lawsuits, investigations, and proceedings relating to contractual disputes, intellectual property rights, employment matters, regulatory compliance matters, and other litigation matters relating to various claims that arise in the normal course of business. Defending such proceedings is costly and can impose a significant burden on management and employees, the Company may receive unfavorable preliminary or interim rulings in the course of litigation, and there can be no assurances that favorable final outcomes will be obtained.

The Company determines whether an estimated loss from a contingency should be accrued by assessing whether a loss is deemed probable and can be reasonably estimated. The Company assesses its potential liability by analyzing specific litigation and regulatory matters using reasonably available information. The Company develops its views on estimated losses in consultation with inside and outside counsel, which involves a subjective analysis of potential results and outcomes, assuming various combinations of appropriate litigation and settlement strategies. Legal fees are expensed in the period in which they are incurred.

As of July 31, 2020, the Company did not have any accrued liabilities recorded for loss contingencies in its consolidated financial statements.

Deep Green Wireless Litigation

On June 8, 2016, plaintiff Deep Green Wireless LLC (“Deep Green”) filed a complaint in the U.S. District Court for the Eastern District of Texas against Ooma, Inc., alleging infringement of U.S. Patent No. RE42,714 (the “Deep Green Wireless Patent”, and such litigation, the “Deep Green Wireless Litigation”). The complaint sought unspecified monetary damages, costs, attorneys’ fees and other appropriate relief. On July 20, 2020, the U.S. District Court for the Northern District of California dismissed the Deep Green Wireless Litigation with prejudice as to Deep Green’s claims against the Company.

Oregon Tax Litigation

On August 30, 2016, the Oregon Department of Revenue (the “DOR”) issued tax assessments against the Company for the Oregon Emergency Communications Tax (the “Tax”), which the DOR alleges Ooma should have collected from its subscribers in Oregon and remitted to the DOR during the period between January 1, 2013 and March 31, 2016 (collectively, the “Assessments”). The Company believes that the Commerce Clause of the United States Constitution bars the application of the Tax and the Assessments to the Company, since the Company has no employees, property or other indicia of a “substantial nexus” with the State of Oregon.

On March 2, 2020, Oregon Tax Court issued a decision upholding the Assessments. On April 1, 2020, the Company filed a Notice of Appeal with the Supreme Court of the State of Oregon. However, litigation is unpredictable and there can be no assurances that the Company will obtain a favorable final outcome or that it will be able to avoid further unfavorable interim rulings in the course of litigation that may significantly add to the expense of its defense and could result in substantial costs and diversion of resources.

Through January 31, 2020, the Company recorded and paid cumulative charges of $0.6 million as its best estimate of probable loss related to the Assessments. No additional charges were recorded during the six months ended July 31, 2020.

Indemnification

The Company enters into standard indemnification arrangements in the ordinary course of business. Pursuant to these arrangements, the Company indemnifies, holds harmless and agrees to reimburse the indemnified parties for losses suffered or incurred by the indemnified party, in connection with any trade secret, copyright, patent or other intellectual property infringement claim by any third party with respect to the Company’s technology. The term of these indemnification agreements is generally perpetual. The maximum potential amount of future payments the Company could be required to make under these agreements is not determinable because it involves claims that may be made against the Company in the future but have not yet been made.

The Company has entered into indemnification agreements with its directors and officers that may require the Company to indemnify its directors and officers against liabilities that may arise by reason of their status or service as directors or officers, other than liabilities arising from willful misconduct of the individual. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements is unlimited; however, the Company has director and officer insurance coverage that reduces the Company’s exposure and enables the Company to recover a portion of any future amounts paid.

To date the Company has not incurred costs to defend lawsuits or settle claims related to these indemnification agreements. No liability associated with such indemnifications has been recorded to date.

Overview and Basis of Presentation (Policies)	6 Months Ended
Overview and Basis of Presentation (Policies)	Jul. 31, 2020
Accounting Policies [Abstract]
Fiscal Year	Fiscal Year. The Company’s fiscal year ends on January 31. References to fiscal 2021 and fiscal 2020 refer to the fiscal year ending January 31, 2021 and the fiscal year ended January 31, 2020, respectively.
Principles of Presentation and Consolidation	Principles of Presentation and Consolidation These unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (the “SEC”) regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, the information included in this Quarterly Report on Form 10-Q should be read in conjunction with the audited consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K for the year ended January 31, 2020 (“Annual Report”). These financial statements have been prepared on the same basis as the Company’s annual financial statements and, in the opinion of management, reflect all normal recurring adjustments necessary to present fairly the Company’s financial position, its results of operations, and cash flows for the interim periods presented, but are not necessarily indicative of the results of operations to be anticipated for the full fiscal year ending January 31, 2021. The condensed consolidated balance sheet as of January 31, 2020 included herein was derived from the audited financial statements as of that date. The condensed consolidated financial statements include accounts of the Company and its wholly-owned subsidiaries. All intercompany transactions and balances have been eliminated upon consolidation.
Use of Estimates	Use of Estimates. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the Company’s condensed consolidated financial statements and notes thereto. Significant estimates include, but are not limited to, those related to revenue recognition, inventory valuation, deferred commissions, valuation of goodwill and intangible assets, operating lease assets and liabilities, regulatory fees and indirect tax accruals, loss contingencies, stock-based compensation, income taxes (including valuation allowances) and fair value measurements. The Company bases its estimates and assumptions on historical experience, where applicable, and other factors that it believes to be reasonable under the circumstances, including but not limited to the potential impacts arising from the COVID-19 pandemic. These estimates are based on information available as of the date of the condensed consolidated financial statements, and assumptions are inherently subjective in nature. Therefore, actual results could differ from management’s estimates.
Significant Accounting Policies	Significant Accounting Policies. The Company’s significant accounting policies are disclosed in its Annual Report.
Comprehensive Loss	Comprehensive Loss. For all periods presented, comprehensive loss approximated net loss in the condensed consolidated statements of operations and differences were not material. Therefore, the condensed consolidated statements of comprehensive loss have been omitted.
Adopted Accounting Standards	Adopted Accounting Standards Financial Instruments-Credit Losses. On February 1, 2020, the Company adopted Accounting Standard Update (“ASU”) 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which replaced the legacy incurred loss impairment model with an expected credit loss model. The Company’s accounts receivable, convertible note receivable and available-for-sale debt securities are subject to this standard. The standard was adopted using the modified retrospective transition method, with no adjustment to accumulated deficit. Adoption did not have a material impact on the Company’s condensed consolidated financial statements and related disclosures. The Company will continue to actively monitor the impact of the COVID-19 pandemic on its estimate of expected credit losses. Fair Value Measurement. On February 1, 2020, the Company adopted ASU 2018-13, Changes to Disclosure Requirements for Fair Value Measurements (Topic 820), which improved the effectiveness of disclosure requirements for recurring and nonrecurring fair value measurements. The standard removes, modifies, and adds certain disclosure requirements. Adoption did not have an impact on the Company’s condensed consolidated financial statements and related disclosures.
Accounting Standards Not Yet Adopted	Accounting Standards Not Yet Adopted Income Taxes. In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which simplifies certain aspects of the accounting for income taxes as well as clarifies and amends existing guidance to improve consistent application. The amendment is effective for the Company beginning fiscal 2022. The Company is evaluating the impact of the new guidance on its consolidated financial statements.

Revenue and Deferred Revenue (Tables)

6 Months Ended

Jul. 31, 2020

Revenue From Contract With Customer [Abstract]

Summary of Revenue Disaggregated by Revenue Source

Revenue disaggregated by revenue source consisted of the following (in thousands):

	Three Months Ended				Six Months Ended
	July 31, 2020		July 31, 2019		July 31, 2020		July 31, 2019
Subscription and services revenue	$	38,500	$	34,469	$	76,116	$	65,581
Product and other revenue		2,912		2,874		5,602		5,769
Total revenue	$	41,412	$	37,343	$	81,718	$	71,350

Components of Deferred Revenue

Deferred revenue consisted of the following (in thousands):

	As of
	July 31, 2020		January 31, 2020
Subscription and services	$	16,316	$	15,892
Product and other		73		79
Total deferred revenue	$	16,389		15,971
Less: current deferred revenue		16,270		15,797
Non-current deferred revenue included in other long-term liabilities	$	119	$	174

Fair Value Measurements (Tables)

6 Months Ended

Jul. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities at Fair Value

The Company’s financial assets that are measured at fair value on a recurring basis by level within the fair value hierarchy were as follows (in thousands):

	Balance as of July 31, 2020						Balance as of January 31, 2020
	Level 1		Level 2		Total		Level 1		Level 2		Total
Cash and cash equivalents:
Money market funds	$	4,859	$	—	$	4,859	$	4,822	$	—	$	4,822
Total cash equivalents	$	4,859	$	—	$	4,859	$	4,822	$	—	$	4,822
Cash						6,030						6,858
Total cash and cash equivalents					$	10,889					$	11,680

Short-term investments:
U.S. treasury securities	$	10,496	$	—	$	10,496	$	4,492	$	—	$	4,492
Corporate debt securities		—		1,826		1,826		—		3,504		3,504
U.S. agency securities		—		1,000		1,000		—		—		—
Commercial paper		—		525		525		—		5,482		5,482
Asset-backed securities		—		606		606		—		906		906
Total short-term investments	$	10,496	$	3,957	$	14,453	$	4,492	$	9,892	$	14,384

Schedule of Contractual Maturities of Short-term Investments

The contractual maturities of short-term investments were as follows (in thousands):

	As of
	July 31, 2020		January 31, 2020
Due in one year or less	$	14,123	$	13,145
Due after one year to two years		330		1,239
Total	$	14,453	$	14,384

Balance Sheet Components (Tables)

6 Months Ended

Jul. 31, 2020

Balance Sheet Components [Abstract]

Components of Inventories

The following sections and tables provide details of selected balance sheet items (in thousands):

Inventories

	As of
	July 31, 2020		January 31, 2020
Finished goods	$	7,098	$	6,988
Raw materials		2,151		1,381
Total inventory	$	9,249	$	8,369

Components of Acquired Intangible Assets

Acquired intangible assets

	As of
	July 31, 2020		January 31, 2020
Customer relationships	$	5,334	$	5,841
Developed technology		521		622
Trade names		310		355
Total intangible assets	$	6,165	$	6,818

Components of Other Assets

Other assets

	As of
	July 31, 2020		January 31, 2020
Deferred sales commissions, current	$	3,573	$	2,525
Prepaid expenses		2,813		2,739
Convertible note receivable, including accrued interest		1,527		1,453
Deferred inventory costs		511		867
Other current assets		1,472		1,408
Total other current assets	$	9,896	$	8,992

Deferred sales commissions, non-current	$	9,154	$	7,412
Other non-current assets		664		774
Total other non-current assets	$	9,818	$	8,186

Components of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities

	As of
	July 31, 2020		January 31, 2020
Payroll and related expenses	$	7,348	$	8,942
Regulatory fees and taxes		5,156		4,777
Short-term operating lease liabilities		3,835		3,263
Customer sales incentives		1,090		1,293
Other		4,085		4,301
Total accrued expenses	$	21,514	$	22,576

Operating Leases (Tables)

6 Months Ended

Jul. 31, 2020

Leases [Abstract]

Summary of Supplemental Balance Sheet Information Related to Leases

Supplemental balance sheet information related to leases was as follows (in thousands):

	As of
	July 31, 2020		January 31, 2020
Assets
Operating lease right-of-use assets	$	6,759	$	8,057
Total leased assets	$	6,759	$	8,057
Liabilities
Short-term operating lease liabilities	$	3,835	$	3,263
Long-term operating lease liabilities		3,681		5,150
Total lease liabilities	$	7,516	$	8,413

Summary of Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases was as follows (in thousands):

	Three Months Ended				Six Months Ended
	July 31, 2020		July 31, 2019		July 31, 2020		July 31, 2019
Cash payments for operating leases	$	975	527		$	1,406	$	1,053
Right-of-use assets recognized in exchange for new operating lease obligations		—		—		303		120

Summary of Maturities of Lease Liabilities Under Non-cancelable Operating Leases

As of July 31, 2020, maturities of lease liabilities under non-cancelable operating leases were as follows (in thousands):

Fiscal Years Ending January 31,	July 31, 2020
2021 - remainder of fiscal year	$	1,942
2022		3,950
2023		1,565
2024		314
2025		200
Total lease payments		7,971
Less: imputed interest		(455	)
Present value of lease liabilities	$	7,516

Stockholders' Equity (Tables)

6 Months Ended

Jul. 31, 2020

Equity [Abstract]

Summarizes of Stock Option Activities

Stock option activity for the six months ended July 31, 2020 was as follows:

				Weighted Average		Aggregate
	Shares			Exercise Price		Intrinsic Value
	(in thousands)			Per Share		(in thousands)
Balance as of January 31, 2020		1,416		$	7.35	$	8,530
Granted		133		$	10.61
Exercised		(121	)	$	5.82
Canceled		(9	)	$	3.19
Balance as of July 31, 2020		1,419		$	7.81	$	10,430
Vested and exercisable as of July 31, 2020		1,182		$	6.99	$	9,644

Summarizes of Restricted Stock Units Activities

RSU activity for the six months ended July 31, 2020 was as follows:

	Shares (in thousands)			Weighted Average Grant-Date Fair Value Per Share
Balance as of January 31, 2020		1,657		$	12.82
Granted		726		$	10.87
Vested		(491	)	$	11.52
Canceled		(45	)	$	13.12
Balance as of July 31, 2020		1,847		$	12.40

Stock-Based Compensation (Tables)

6 Months Ended

Jul. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Total Stock-Based Compensation Recognized for Stock-Based Awards in Condensed Consolidated Statements of Operations

Total stock-based compensation recognized for stock-based awards in the condensed consolidated statements of operations was as follows (in thousands):

	Three Months Ended				Six Months Ended
	July 31, 2020		July 31, 2019		July 31, 2020		July 31, 2019
Cost of revenue	$	259	$	344	$	513	$	629
Sales and marketing		485		523		966		969
Research and development		1,074		1,238		2,125		2,334
General and administrative		1,272		1,306		2,494		2,461
Total stock-based compensation expense	$	3,090	$	3,411	$	6,098	$	6,393

Basic and Diluted Net Loss Per Share (Tables)

6 Months Ended

Jul. 31, 2020

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss Per Share of Common Stock

The following table sets forth the computation of the Company’s basic and diluted net loss per share of common stock (in thousands, except share and per share data):

	Three Months Ended						Six Months Ended
	July 31, 2020			July 31, 2019			July 31, 2020			July 31, 2019
Numerator
Net loss	$	(367	)	$	(4,983	)	$	(1,433	)	$	(9,723	)
Denominator
Weighted-average common shares		22,232,176			20,849,935			22,066,771			20,667,905
Basic and diluted net loss per share	$	(0.02	)	$	(0.24	)	$	(0.06	)	$	(0.47	)

Revenue and Deferred Revenue - Additional Information (Details) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 31, 2020	Jul. 31, 2020 USD ($)	Jul. 31, 2019	Jul. 31, 2020 USD ($) Source Country Customer	Jul. 31, 2019 Country Customer	Jan. 31, 2020
Disaggregation Of Revenue [Line Items]
Number of sources of revenue \| Source				2
Number of countries outside United States represented 10% or more of total revenue \| Country				0	0
Number of customers that individually exceeded 10% of revenue \| Customer				0	0
Deferred revenue recognized \| $		$ 3.0		$ 12.3
Accounts Receivable \| Customer Concentration Risk
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage	15.00%
Accounts Receivable \| Customer Concentration Risk \| Minimum
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage						10.00%
Ooma Residential \| Revenue
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage		55.00%	59.00%	55.00%	62.00%
Ooma Business \| Revenue
Disaggregation Of Revenue [Line Items]
Concentration risk, percentage		43.00%	38.00%	43.00%	36.00%

Revenue and Deferred Revenue - Summary of Revenue Disaggregated by Revenue Source (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Disaggregation Of Revenue [Line Items]
Total revenue	$ 41,412	$ 37,343	$ 81,718	$ 71,350
Subscription and services revenue
Disaggregation Of Revenue [Line Items]
Total revenue	38,500	34,469	76,116	65,581
Product and other revenue
Disaggregation Of Revenue [Line Items]
Total revenue	$ 2,912	$ 2,874	$ 5,602	$ 5,769

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Revenue and Deferred Revenue - Components of Deferred Revenue (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Deferred Revenue Arrangement [Line Items]
Deferred revenue	$ 16,389	$ 15,971
Less: current deferred revenue	16,270	15,797
Non-current deferred revenue included in other long-term liabilities	119	174
Subscription and Services
Deferred Revenue Arrangement [Line Items]
Deferred revenue	16,316	15,892
Product and Other
Deferred Revenue Arrangement [Line Items]
Deferred revenue	$ 73	$ 79

Revenue and Deferred Revenue - Additional Information (Details 1) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-08-01 $ in Millions	Jul. 31, 2020 USD ($)
Disaggregation Of Revenue [Line Items]
Revenue expected to be recognized from remaining performance obligations	$ 8.1
Revenue expected to be recognized from remaining performance obligations, percentage	52.00%
Revenue expected to be recognized from remaining performance obligations, period	12 months

Fair Value Measurements - Schedule of Financial Assets at Fair Value (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	$ 10,889	$ 11,680
Total short-term investments	14,453	14,384
U.S. Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	10,496	4,492
Corporate Debt Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	1,826	3,504
U.S. Agency Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	1,000
Commercial Paper
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	525	5,482
Asset-backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	606	906
Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	10,496	4,492
Level 1 \| U.S. Treasury Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	10,496	4,492
Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	3,957	9,892
Level 2 \| Corporate Debt Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	1,826	3,504
Level 2 \| U.S. Agency Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	1,000
Level 2 \| Commercial Paper
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	525	5,482
Level 2 \| Asset-backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total short-term investments	606	906
Cash
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	6,030	6,858
Cash Equivalents
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	4,859	4,822
Cash Equivalents \| Money Market Funds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	4,859	4,822
Cash Equivalents \| Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	4,859	4,822
Cash Equivalents \| Level 1 \| Money Market Funds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total cash and cash equivalents	$ 4,859	$ 4,822

Fair Value Measurements - Additional Information (Details) - USD ($)	Jul. 31, 2020	Jan. 31, 2019
Fair Value Disclosures [Abstract]
Fair value level asset and liability	$ 0	$ 0

Fair Value Measurements - Schedule of Contractual Maturities of Short-term Investments (Details) - Short-term Investments - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Due in one year or less	$ 14,123	$ 13,145
Due after one year to two years	330	1,239
Total	$ 14,453	$ 14,384

Balance Sheet Components - Components of Inventories (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Inventory Disclosure [Abstract]
Finished goods	$ 7,098	$ 6,988
Raw materials	2,151	1,381
Total inventory	$ 9,249	$ 8,369

Balance Sheet Components - Components of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Finite Lived Intangible Assets [Line Items]
Total intangible assets	$ 6,165	$ 6,818
Customer relationships
Finite Lived Intangible Assets [Line Items]
Total intangible assets	5,334	5,841
Developed technology
Finite Lived Intangible Assets [Line Items]
Total intangible assets	521	622
Trade names
Finite Lived Intangible Assets [Line Items]
Total intangible assets	$ 310	$ 355

Balance Sheet Components - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019	Jan. 31, 2020
Balance Sheet Components [Line Items]
Amortization expense		$ 300,000	$ 300,000	$ 652,000	$ 516,000
Amortization expense for deferred sales commissions		900,000	$ 400,000	1,700,000	$ 800,000
Impairment loss in relation to deferred commission costs capitalized				0
Non-cancelable purchase commitments		4,000,000.0		4,000,000.0		$ 4,000,000.0
Global Telecomm Corporation
Balance Sheet Components [Line Items]
Inventory prepayments		300,000		300,000		500,000
Non-cancelable purchase commitments		$ 400,000		$ 400,000		$ 2,200,000
Global Telecomm Corporation \| Convertible Promissory Note
Balance Sheet Components [Line Items]
Investment in privately-held company	$ 1,300,000
Convertible promissory note, maturity period	18 months
Convertible promissory note, interest rate	10.00%

Balance Sheet Components - Components of Other Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Other Assets [Abstract]
Deferred sales commissions, current	$ 3,573	$ 2,525
Prepaid expenses	2,813	2,739
Convertible note receivable, including accrued interest	1,527	1,453
Deferred inventory costs	511	867
Other current assets	1,472	1,408
Total other current assets	9,896	8,992
Deferred sales commissions, non-current	9,154	7,412
Other non-current assets	664	774
Total other non-current assets	$ 9,818	$ 8,186

Balance Sheet Components - Components of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Payables And Accruals [Abstract]
Payroll and related expenses	$ 7,348	$ 8,942
Regulatory fees and taxes	5,156	4,777
Short-term operating lease liabilities	3,835	3,263
Customer sales incentives	1,090	1,293
Other	4,085	4,301
Total accrued expenses	$ 21,514	$ 22,576

Operating Leases - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Leases [Abstract]
Operating lease, description			The Company leases its headquarters located in Sunnyvale, California, as well as office and data center space in various locations under non-cancelable operating lease agreements.
Lease costs	$ 1.3	$ 0.9	$ 2.5	$ 1.7

Operating Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Assets
Operating lease right-of-use assets	$ 6,759	$ 8,057
Total leased assets	6,759	8,057
Liabilities
Short-term operating lease liabilities	3,835	3,263
Long-term operating lease liabilities	3,681	5,150
Total lease liabilities	$ 7,516	$ 8,413

Operating Leases - Summary of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Leases [Abstract]
Cash payments for operating leases	$ 975	$ 527	$ 1,406	$ 1,053
Right-of-use assets recognized in exchange for new operating lease obligations			$ 303	$ 120

Operating Leases - Summary of Maturities of Lease Liabilities Under Non-cancelable Operating Leases (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Operating Lease Liabilities Payments Due [Abstract]
2021 - remainder of fiscal year	$ 1,942
2022	3,950
2023	1,565
2024	314
2025	200
Total lease payments	7,971
Less: imputed interest	(455)
Present value of lease liabilities	$ 7,516	$ 8,413

Stockholders' Equity - Summarizes of Stock Option Activities (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jul. 31, 2020 USD ($) $ / shares shares
Number of Shares
Shares, Beginning balance \| shares	1,416,000
Shares, Granted \| shares	133,000
Shares, Exercised \| shares	(121,000)
Shares, Canceled \| shares	(9,000)
Shares, Ending balance \| shares	1,419,000
Shares, Vested and exercisable \| shares	1,182,000
Weighted Average Exercise Price Per Share
Weighted Average Exercise Price Per Share, Beginning balance \| $ / shares	$ 7.35
Weighted Average Exercise Price Per Share, Granted \| $ / shares	10.61
Weighted Average Exercise Price Per Share, Exercised \| $ / shares	5.82
Weighted Average Exercise Price Per Share, Canceled \| $ / shares	3.19
Weighted Average Exercise Price Per Share, Ending balance \| $ / shares	7.81
Weighted Average Exercise Price Per Share, Vested and exercisable \| $ / shares	$ 6.99
Aggregate Intrinsic Value
Aggregate Intrinsic Value, Beginning balance \| $	$ 8,530
Aggregate Intrinsic Value, Ending balance \| $	10,430
Aggregate Intrinsic Value, Vested and exercisable \| $	$ 9,644

Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
ESPP
Stockholders Equity Note Disclosure [Line Items]
Number of shares of common stock issued under ESPP	0.1	0.1
Weighted purchase price of shares of common stock under ESPP	$ 9.98	$ 9.86
Stock Options
Stockholders Equity Note Disclosure [Line Items]
Aggregate intrinsic value of vested options exercised	$ 0.9	$ 1.8
Weighted-average grant date fair value of options granted	$ 4.72	$ 7.13

Stockholders' Equity - Summarizes of Restricted Stock Units Activities (Details) - Restricted Stock Units (RSUs)	6 Months Ended
	Jul. 31, 2020 $ / shares shares
Number of Shares
Shares, RSUs Beginning Balance \| shares	1,657,000
Shares, Granted \| shares	726,000
Shares, Vested \| shares	(491,000)
Shares, Canceled \| shares	(45,000)
Shares, RSUs Ending Balance \| shares	1,847,000
Weighted Average Grant-Date Fair Value Per Share
Weighted Average Grant-Date Fair Value Per Share, Beginning Balance \| $ / shares	$ 12.82
Weighted Average Grant-Date Fair Value Per Share, Granted \| $ / shares	10.87
Weighted Average Grant-Date Fair Value Per Share, Vested \| $ / shares	11.52
Weighted Average Grant-Date Fair Value Per Share, Canceled \| $ / shares	13.12
Weighted Average Grant-Date Fair Value Per Share, Ending Balance \| $ / shares	$ 12.40

Stock-Based Compensation - Total Stock-Based Compensation Recognized for Stock-Based Awards in Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation	$ 3,090	$ 3,411	$ 6,098	$ 6,393
Cost of revenue
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation	259	344	513	629
Sales and marketing
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation	485	523	966	969
Research and development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation	1,074	1,238	2,125	2,334
General and administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation	$ 1,272	$ 1,306	$ 2,494	$ 2,461

Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Millions	36 Months Ended
	Jul. 31, 2023	Jul. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized share-based compensation expense related to unvested share-based awards		$ 24.1
Scenario forecast
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based payment awards offering period	3 years

Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Income Tax [Line Items]
Income tax expense (benefit)		$ (16,000)		$ (38,000)
Unrecognized tax benefits	$ 6,800,000		$ 6,800,000
Interest expense or penalties related to unrecognized tax benefits			0
Voxter Communications Inc
Income Tax [Line Items]
Income tax expense (benefit)	$ 0	$ (16,000)	$ 0	$ (38,000)

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Basic and Diluted Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jul. 31, 2020	Apr. 30, 2020	Jul. 31, 2019	Apr. 30, 2019	Jul. 31, 2020	Jul. 31, 2019
Numerator
Net loss	$ (367)	$ (1,066)	$ (4,983)	$ (4,740)	$ (1,433)	$ (9,723)
Denominator
Weighted-average common shares	22,232,176		20,849,935		22,066,771	20,667,905
Basic and diluted net loss per share	$ (0.02)		$ (0.24)		$ (0.06)	$ (0.47)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.