Identiv (INVE) 10-K 15 Mar 23 2022 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 02, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Trading Symbol	INVE
Entity Registrant Name	Identiv, Inc.
Entity Central Index Key	0001036044
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	true
Entity File Number	0-29440
Entity Tax Identification Number	77-0444317
Entity Address, Address Line One	2201 Walnut Avenue
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Fremont
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94538
City Area Code	949
Local Phone Number	250-8888
Security12b Title	Common Stock, $0.001 par value per share
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	DE
Document Annual Report	true
Document Transition Report	false
Entity Common Stock, Shares Outstanding		22,674,362
Entity Public Float			$ 228,257,711
Auditor Firm ID	207
Auditor Name	BPM LLP
Auditor Location	San Jose, California
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Designated portions of the Company’s Proxy Statement to be filed within 120 days after the Registrant’s fiscal year end of December 31, 2022 are incorporated by reference into Part II, Item 5 and Part III of this Annual Report on Form 10-K.

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 16,650	$ 28,553
Restricted cash	487	1,254
Accounts receivable, net of allowances of $2,666 and $2,745 as of December 31, 2022 and 2021, respectively	24,826	19,963
Inventories	28,958	19,924
Prepaid expenses and other current assets	4,177	3,032
Total current assets	75,098	72,726
Property and equipment, net	6,719	4,066
Operating lease right-of-use assets	4,373	2,088
Intangible assets, net	5,265	6,445
Goodwill	10,190	10,268
Other assets	1,120	1,070
Total assets	102,765	96,663
Current liabilities:
Accounts payable	14,760	10,502
Operating lease liabilities	1,190	1,269
Deferred revenue	2,068	2,153
Accrued compensation and related benefits	2,757	3,150
Other accrued expenses and liabilities	2,618	3,774
Total current liabilities	23,393	20,848
Long-term operating lease liabilities	3,366	938
Long-term deferred revenue	587	280
Other long-term liabilities	25	85
Total liabilities	27,371	22,151
Commitments and contingencies (see Note 16)
Stockholders' equity:
Common stock, $0.001 par value: 50,000 shares authorized; 24,168 and 23,707 shares issued and 22,623 and 22,230 shares outstanding as of December 31, 2022 and 2021, respectively	24	24
Additional paid-in capital	495,818	492,657
Treasury stock 1,545 and 1,477 shares as of December 31, 2022 and 2021, respectively	(12,173)	(11,134)
Accumulated deficit	(409,381)	(408,989)
Accumulated other comprehensive income	1,101	1,949
Total stockholders' equity	75,394	74,512
Total liabilities and stockholders' equity	102,765	96,663
Series B Convertible Preferred Stock
Stockholders' equity:
Series B preferred stock, $0.001 par value: 5,000 shares authorized; 5,000 shares issued and outstanding as of December 31, 2022 and 2021, respectively	$ 5	$ 5

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts receivable, allowances	$ 2,666	$ 2,745
Preferred stock, par value	$ 0.001
Preferred stock, shares authorized	10,000,000
Preferred stock, outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	24,168,000	23,707,000
Common stock, shares outstanding	22,623,000	22,230,000
Treasury stock, shares	1,545,000	1,477,000
Series B Convertible Preferred Stock
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, issued	5,000,000	5,000,000
Preferred stock, outstanding	5,000,000	5,000,000

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net revenue	$ 112,915,000	$ 103,769,000	$ 86,920,000
Cost of revenue	71,971,000	66,702,000	53,239,000
Gross profit	40,944,000	37,067,000	33,681,000
Operating expenses:
Research and development	9,916,000	8,673,000	9,781,000
Selling and marketing	20,730,000	17,033,000	17,270,000
General and administrative	10,429,000	11,891,000	8,623,000
Decrease in fair value of earnout liability			(261,000)
Restructuring and severance	202,000	817,000	1,716,000
Total operating expenses	41,277,000	38,414,000	37,129,000
Loss from operations	(333,000)	(1,347,000)	(3,448,000)
Non-operating income (expense):
Interest expense, net	(143,000)	(483,000)	(1,462,000)
Gain on forgiveness of Paycheck Protection Program note		2,946,000
Gain on investment	30,000	611,000
Foreign currency gains (losses), net	155,000	(79,000)	(122,000)
Income (loss) before income tax provision	(291,000)	1,648,000	(5,032,000)
Income tax provision	(101,000)	(28,000)	(73,000)
Net income (loss)	(392,000)	1,620,000	(5,105,000)
Other comprehensive income (loss):
Foreign currency translation adjustment	(848,000)	(629,000)	553,000
Comprehensive income (loss)	$ (1,240,000)	$ 991,000	$ (4,552,000)
Net income (loss) per common share:
Basic	$ (0.07)	$ 0.02	$ (0.34)
Diluted	$ (0.07)	$ 0.02	$ (0.34)
Weighted average shares used in computing net income (loss) per common share:
Basic	22,659	21,340	17,978
Diluted	22,659	22,267	17,978

CONSOLIDATED STATEMENTS OF STOC

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock Series B Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Income
Beginning Balances at Dec. 31, 2019	$ 35,466	$ 5	$ 18	$ 447,965	$ (9,043)	$ (405,504)	$ 2,025
Beginning Balances (in shares) at Dec. 31, 2019		5,000	16,986
Net income (loss)	(5,105)					(5,105)
Unrealized income (loss) from foreign currency translation adjustments	553						553
Issuance of common stock in connection with vesting of stock awards (shares)			632
Proceeds from exercise of stock options	13			13
Proceeds from exercise of stock options			3
Stock-based compensation	3,027			3,027
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units	(890)				(890)
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units (shares)			(172)
Issuance of common stock in connection with earnout	489			489
Issuance of common stock in connection with earnout (shares)			157
Issuance of shares to non-employees	304			304
Issuance of shares to non-employees (shares)			62
Issuance of common stock in connection with warrant exercise			$ 1	(1)
Issuance of common stock in connection with warrant exercise (shares)			387
Issuance of warrants	332			332
Ending Balances at Dec. 31, 2020	34,189	$ 5	$ 19	452,129	(9,933)	(410,609)	2,578
Ending Balances (in shares) at Dec. 31, 2020		5,000	18,055
Net income (loss)	1,620					1,620
Unrealized income (loss) from foreign currency translation adjustments	(629)						(629)
Issuance of common stock in connection with vesting of stock awards	1		$ 1
Issuance of common stock in connection with vesting of stock awards (shares)			421
Proceeds from exercise of stock options	299			299
Proceeds from exercise of stock options			29
Stock-based compensation	2,606			2,606
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units	(1,201)				(1,201)
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units (shares)			(82)
Issuance of common stock in connection with warrant exercise (shares)			28
Issuance of common stock in connection with public offering	37,627		$ 4	37,623
Issuance of common stock in connection with public offering (shares)			3,779
Ending Balances at Dec. 31, 2021	74,512	$ 5	$ 24	492,657	(11,134)	(408,989)	1,949
Ending Balances (in shares) at Dec. 31, 2021		5,000	22,230
Net income (loss)	(392)					(392)
Unrealized income (loss) from foreign currency translation adjustments	(848)						(848)
Issuance of common stock in connection with vesting of stock awards (shares)			461
Stock-based compensation	3,161			3,161
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units	(1,039)				(1,039)
Shares withheld in payment of taxes in connection with net share settlement of restricted stock units (shares)			(68)
Ending Balances at Dec. 31, 2022	$ 75,394	$ 5	$ 24	$ 495,818	$ (12,173)	$ (409,381)	$ 1,101
Ending Balances (in shares) at Dec. 31, 2022		5,000	22,623

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows used in operating activities:
Net income (loss)	$ (392)	$ 1,620	$ (5,105)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,272	1,971	3,313
Provision for (recovery from) doubtful accounts		2,562	(41)
Gain on forgiveness of Paycheck Protection Program note		(2,946)
Gain on investment	(30)	(611)
Accretion of interest on contractual payment obligation		43	139
Loss on disposal of fixed assets	68
Amortization of debt issuance costs		108	497
Stock-based compensation	3,161	2,606	3,027
Impairment of right-of-use operating lease asset		281	1,294
Decrease in fair value of earnout liability			(261)
Changes in operating assets and liabilities:
Accounts receivable	(5,051)	(3,572)	(550)
Inventories	(9,330)	389	(4,105)
Prepaid expenses and other assets	(1,210)	(12)	(570)
Accounts payable	4,073	(441)	2,455
Contractual payment obligation liability		(1,083)	(770)
Deferred revenue	222	67	(467)
Accrued expenses and other liabilities	(1,590)	246	(622)
Net cash provided by (used in) operating activities	(7,807)	1,228	(1,766)
Cash flows from investing activities:
Capital expenditures	(3,902)	(2,087)	(1,564)
Proceeds from investment	30	611
Net cash used in investing activities	(3,872)	(1,476)	(1,564)
Cash flows from financing activities:
Borrowings under revolving loan facility, net of issuance costs		3,964	3,362
Repayments under revolving loan facility		(18,548)	(3,347)
Borrowings under East West Bank term loan			4,500
Repayments under East West Bank term loan			(4,500)
Proceeds from April 21 Funds promissory notes			4,000
Repayments of April 21 Funds promissory notes		(2,800)	(1,200)
Proceeds from the sale of common stock, net of issuance costs		37,627
Proceeds from Paycheck Protection Program promissory note			2,915
Taxes paid related to net share settlement of restricted stock units	(1,039)	(1,201)	(890)
Proceeds from exercise of stock options		299	13
Net cash provided by (used in) financing activities	(1,039)	19,341	4,853
Effect of exchange rates on cash, cash equivalents, and restricted cash	48	(695)	503
Net increase (decrease) in cash, cash equivalents, and restricted cash	(12,670)	18,398	2,026
Cash, cash equivalents, and restricted cash, Beginning of period	29,807	11,409	9,383
Cash, cash equivalents, and restricted cash, End of period	17,137	29,807	11,409
Supplemental Disclosures of Cash Flow Information:
Interest paid	6	340	945
Taxes paid, net	88	74	112
Non-cash investing and financing activities:
Dividends earned on Series B preferred stock	1,206	1,148	1,094
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	$ 3,646	183	1,676
Reclassification of debt issuance costs to prepaid expenses and other current assets		$ 114
Common stock issued to settle vendor liability			304
Common stock issued to settle earnout liability			489
Fair value of warrants issued in connection with financial liabilities			$ 332

Description of Business

Description of Business	12 Months Ended
	Dec. 31, 2022
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Description of Business	1. Description of Business Description of Business — Identiv, Inc. and its wholly owned subsidiaries (the “Company”) is a global security technology company provider of secure identification and physical security solutions that secure things, data and physical places. Global organizations in the mobility, consumer, government, healthcare, education and other markets rely upon the Company’s solutions. The Company’s solutions allow its customers to create safe, secure, validated and convenient experiences in their interaction with physical things around them and physical places like schools, government offices, factories, transportation, hospitals and other types of facilities. The Company’s corporate headquarters are in Fremont, California. The Company maintains research and development facilities in California, India, and Germany and local operations and sales facilities in Germany, Hong Kong, Japan, Singapore, Canada, and the United States. The Company was founded in 1990 in Munich, Germany and was incorporated in 1996 under the laws of the State of Delaware.

Significant Accounting Policies

Significant Accounting Policies and Recent Accounting Pronouncements	12 Months Ended
	Dec. 31, 2022
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Significant Accounting Policies and Recent Accounting Pronouncements	2. Significant Accounting Policies and Recent Accounting Pronouncements Principles of Consolidation — The accompanying consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. Reclassifications — Certain reclassifications have been made to the fiscal year 2021 consolidated financial statements to conform to the fiscal year 2022 presentation. The reclassifications had no impact on net income (loss), total assets, total liabilities, or stockholders’ equity. Use of Estimates — The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities as of the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The Company believes judgment is involved in determining revenue recognition; impairment of goodwill and intangible assets; the recoverability of long-lived assets; stock-based compensation expense; and income tax uncertainties. The Company bases these estimates on historical and anticipated results, trends, and various other assumptions that the Company believes are reasonable under the circumstances, including assumptions as to future events. Actual results could differ materially from those estimates and assumptions. Cash and Cash Equivalents and Restricted Cash — The Company considers all highly liquid investments with an original maturity of 90 days or less or investments with a remaining maturity of 90 days or less at the date of purchase to be cash equivalents and investments with original maturities greater than 90 days but less than one year to be short-term investments. Restricted cash as of December 31, 2022 and 2021 of $ 0.5 million and $ 1.3 million, respectively, pertains primarily to a stand by letter of credit with a manufacturer for equipment purchased for the Company’s manufacturing facility in Singapore. Concentration of Credit Risk — Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains its cash and cash equivalents with what it considers high credit quality financial institutions. No customer accounted for 10% or more of net revenue for the years ended December 31, 2022 , 2021 or 2020 , respectively. No customer accounted for 10% or more of the Company’s accounts receivable, net balance as of December 31, 2022 or 2021 . The Company does not require collateral or other security to support accounts receivable. To reduce risk, the Company’s management performs ongoing credit evaluations of its customers’ financial condition. The Company maintains allowances for potential credit losses in its consolidated financial statements. The Company relies upon a limited number of suppliers for some key components of their products which exposes them to various risks. One supplier accounted for 11 % of the Company's accounts payable as of December 31, 2022 , while no supplier accounted for 10% or more of the Company’s accounts payable balance as of December 31, 2021 . Allowance for Doubtful Accounts — The allowance for doubtful accounts is based on the Company’s assessment of the collectability of customer accounts. The Company regularly reviews its receivables that remain outstanding past their applicable payment terms and establishes an allowance and potential write-offs by considering factors such as historical experience, credit quality, age of the accounts receivable balances, and current economic conditions that may affect a customer’s ability to pay. Although the Company expects to collect net amounts due as stated on the consolidated balance sheets, actual collections may differ from these estimated amounts. Inventories — Inventories are stated at the lower of cost (using average cost or standard cost, as applicable) or net realizable value (market). Inventory is written down for excess inventory, technical obsolescence and the inability to sell based primarily on historical sales and expectations for future use. The Company operates in an industry characterized by technological change. The planning of production and inventory levels is based on internal forecasts of customer demand, which are highly unpredictable and can fluctuate substantially. Should the demand for the Company’s products prove to be significantly less than anticipated, the ultimate realizable value of the Company’s inventory could be substantially less than amounts in the consolidated balance sheets. Once inventory has been written down below cost, it is not subsequently written up. Property and Equipment — Property and equipment are stated at cost less accumulated depreciation. Depreciation and amortization are computed using the straight-line method over estimated useful lives of three to ten years for furniture, fixture and office equipment, five to seven years for machinery, five years for automobiles and three years for computer software. Leasehold improvements are amortized over the shorter of the lease term or their estimated useful life. Intangible Assets — Amortizable intangible assets include trademarks, developed technology and customer relationships acquired as part of business combinations. Intangible assets subject to amortization are amortized using the straight-line method over their estimated useful lives ranging from four to twelve years and are reviewed for impairment. Goodwill — Goodwill represents the excess of the aggregate of the fair value of consideration transferred in a business combination, over the fair value of assets acquired, net of liabilities assumed. In accordance with Accounting Standards Codification (“ASC”) 350, Intangibles-Goodwill and Other (“ASC 350”), goodwill is not amortized but is tested for impairment on an annual basis, in the fourth quarter, or whenever events or changes in circumstances indicate that the carrying amount of these assets may not be recoverable. The Company performs an initial assessment of qualitative factors to determine whether the existence of events and circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. In performing the qualitative assessment, the Company identifies and considers the significance of relevant key factors, events, and circumstances that affect the fair value of its reporting units. These factors include external factors such as macroeconomic, industry, and market conditions, as well as entity-specific factors, such as actual and planned financial performance. If, after assessing the totality of relevant events and circumstances, the Company determines that it is more likely than not that the fair value of the reporting unit exceeds its carrying value and there is no indication of impairment, no further testing is performed; however, if the Company concludes otherwise, then it performs the quantitative impairment test which compares the estimated fair value of the reporting unit to its carrying value, including goodwill. If the carrying amount of the reporting unit is in excess of its fair value, an impairment loss would be recorded in the consolidated statement of comprehensive income (loss). Long-Lived Assets — The Company reviews long‑lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the assets may not be recoverable. An impairment loss is recognized when the total estimated future undiscounted cash flows expected to result from the use of the asset and its eventual disposition are less than its carrying amount. Impairment, if any, is assessed using discounted cash flows or other appropriate measures of fair value. There were no impairment losses recorded during the years ended December 31, 2022, 2021 or 2020 . Leases — The Company determines if an arrangement is a lease at inception. Operating leases are included in operating lease right-of-use (“ROU”) assets, operating lease liabilities, and long-term operating lease liabilities on the Company’s consolidated balance sheets. Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of the Company’s leases do not provide an implicit rate, the Company uses its incremental borrowing rate based on the information available at the lease commencement date in determining the present value of future payments. The operating lease ROU assets also include any lease payments made and exclude lease incentives and initial direct costs incurred. The Company’s lease terms may include options to extend the lease when it is reasonably certain that the Company will exercise that option. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. The Company has lease agreements with lease and non-lease components, which are accounted for as a single lease component. Freight Costs — The Company reflects the cost of shipping its products to customers as a cost of revenue. Reimbursements received from customers for freight costs are recognized as product revenue. Research and Development — Costs to research, design, and develop the Company’s products are expensed as incurred and consist primarily of employee compensation, external contractor costs, and fees for the development of prototype products. Software development costs are capitalized beginning when a product’s technological feasibility has been established and ending when a product is available for general release to customers. Generally, the Company’s products are released soon after technological feasibility has been established. Costs incurred subsequent to achieving technological feasibility have not been significant and generally have been expensed as incurred. As of December 31, 2022 and 2021 , the net amount of capitalized software development costs were $ 515,000 and $ 303,000 , respectively, and are included in other current and long term assets in the accompanying consolidated balance sheets. The Company capitalizes certain costs for its internal-use software incurred during the application development stage. Costs related to preliminary project activities and post implementation activities are expensed as incurred. Internal-use software is amortized on a straight line basis over its estimated useful life, generally three years . The estimated useful life is determined based on management’s judgment on how long the core technology and functionality serves internal needs and the customer base. Management evaluates the useful lives of these assets on an annual basis and tests for impairment whenever events or changes in circumstances occur that could impact the recoverability of these assets. The Company recorded amortization expense related to software development costs of $ 45,000 , $ 55,000 and $ 78,000 for the years ended December 31, 2022, 2021 and 2020 , respectively. The Company capitalized software development costs of $ 103,000 and $ 84,000 for the year ended December 31, 2022 and 2021 , respectively. Advertising Costs — The Company expenses advertising costs as incurred. Advertising costs were not significant for the years ended December 31, 2022, 2021 and 2020 . Stock-based Compensation — The Company accounts for all stock-based payment awards, including employee stock options, restricted stock awards, and performance share units in accordance with ASC 718, Compensation-Stock Compensation (“ASC 718”). Under the fair value recognition provisions of ASC 718, stock-based compensation cost is measured at the grant date based on the fair value of the award. Compensation expense for all stock-based payment awards is recognized using the straight-line single-option approach. Employee stock options awards are valued under the single-option approach and amortized on a straight-line basis, net of estimated forfeitures. The value of the portion of the stock option award that is ultimately expected to vest is recognized as expense over the requisite service periods in the Company’s consolidated statements of comprehensive income (loss). See Note 10, Stock-Based Compensation , for further information regarding the Company’s stock-based compensation assumptions and expenses. The Company has elected to use the Black Scholes pricing model to estimate the fair value of its stock options, which incorporates various subjective assumptions including volatility, risk-free interest rate, expected life, and dividend yield to calculate the fair value of stock option awards. Since the Company has been publicly traded for many years, it utilizes its own historical volatility in valuing its stock option grants. The expected life of an award is based on historical experience, the terms and conditions of the stock awards granted to employees, as well as the potential effect from options that have not been exercised at the time. The assumptions used in calculating the fair value of stock-based payment awards represent management’s estimates. These estimates involve inherent uncertainties and the application of management’s judgment. If factors change and the Company uses different assumptions, its stock-based compensation expense could be materially different in the future. In addition, the Company estimates the expected forfeiture rate and recognizes expense only for those awards which are ultimately expected-to-vest shares. If the actual forfeiture rate is materially different from the Company’s estimate, the recorded stock-based compensation expense could be different. ASC 718 requires forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. Income Taxes — The Company accounts for income taxes in accordance with ASC 740, Income Taxes (“ASC 740”), which requires the asset and liability approach for financial accounting and reporting of income taxes. Deferred income taxes reflect the recognition of future tax consequences of events that have been recognized in the Company’s financial statements or tax returns. The carrying value of net deferred tax assets reflects that the Company has been unable to generate sufficient taxable income in certain tax jurisdictions. A valuation allowance is provided to reduce the deferred tax asset to an amount that is more likely than not to be realized. The deferred tax assets are still available for the Company to use in the future to offset taxable income, which would result in the recognition of a tax benefit and a reduction in the Company’s effective tax rate. Actual operating results and the underlying amount and category of income in future years could render the Company’s current assumptions, judgments and estimates of the realizability of deferred tax assets inaccurate, which could have a material impact on its financial position or results of operations. The Company accounts for uncertain tax positions in accordance with ASC 740, which clarifies the accounting for uncertainty in income taxes recognized in an enterprise’s financial statements. It prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740 also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. Such changes in recognition or measurement might result in the recognition of a tax benefit or an additional charge to the tax provision in the period. The Company recognizes interest and penalties related to unrecognized tax benefits within the income tax expense line in the accompanying consolidated statement of comprehensive income (loss). Accrued interest and penalties are included within the related tax liability line in the consolidated balance sheets. See Note 8, Income Taxes , for further information regarding the Company’s tax disclosures. Net Income (Loss) Per Share — Basic net income (loss) per share is based upon the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share is based upon the weighted average number of common shares and dilutive-potential common share equivalents outstanding during the period (using the treasury stock or if-converted method), if applicable. Dilutive-potential common share equivalents are excluded from the computation of net income (loss) per share in loss periods, as their effect would be antidilutive. See Note 11, Net Income (Loss) per Common Share , for further information regarding the Company’s computation of both basic and diluted net income (loss) per common share. Comprehensive Income (Loss) — Comprehensive income (loss) for the years ended December 31, 2022, 2021 and 2020 has been disclosed within the consolidated statements of comprehensive income (loss). Other accumulated comprehensive income (loss) includes net foreign currency translation adjustments, which are excluded from consolidated net income (loss). Foreign Currency Translation and Transactions — The functional currencies of the Company’s foreign subsidiaries are the local currencies, except for the Singapore subsidiary, which uses the U.S. dollar as its functional currency. For those subsidiaries whose functional currency is the local currency, the Company translates assets and liabilities to U.S. dollars using period-end exchange rates and translates revenues and expenses using average exchange rates during the period. Exchange gains and losses arising from translation of foreign entity financial statements are included as a component of other comprehensive income (loss) and gains and losses from transactions denominated in currencies other than the functional currency of the Company are included in the Company’s consolidated statements of comprehensive income (loss). The Company recognized net currency gains of $ 0.2 million in 2022 and net currency losses of $ 0.1 million and $ 0.1 million in 2021 and 2020, respectively. Recent Accounting Pronouncements From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board (“FASB”) or other standard setting bodies that the Company adopts as of the specified effective date. Unless otherwise discussed, the Company does not believe that the impact of recently issued standards that are not yet effective will have a material impact on its financial position or results of operations upon adoption. In June 2016, the FASB issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”), which requires measurement and recognition of expected credit losses for financial assets held at the reporting date based on external information, or a combination of both relating to past events, current conditions, and reasonable and supportable forecasts. ASU 2016-13 replaces the existing incurred loss impairment model with a forward-looking expected credit loss model which will result in earlier recognition of credit losses. Subsequent to the issuance of ASU 2016-13, the FASB issued ASU 2018-19, Codification Improvement to Topic 326, Financial Instruments – Credit Losses , ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments – Credit Losses , Topic 815, Derivatives and Hedging , and Topic 825 , Financial Instruments , ASU 2019-05, Financial Instruments Credit Losses (Topic 326) Targeted Transition Relief , ASU 2016-13, the FASB issued ASU 2019-10 Financial Instruments-Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842), and ASU 2019-11 Codification Improvements to Topic 326, Financial Instruments-Credit Losses. The subsequent ASUs do not change the core principle of the guidance in ASU 2016-13. Instead, these amendments are intended to clarify and improve operability of certain topics included within ASU 2016-13. In February 2020, the FASB issued ASU 2020-02, which provides guidance regarding methodologies, documentation, and internal controls related to expected credit losses. The subsequent amendments will have the same effective date and transition requirements as ASU No. 2016-13. Early adoption is permitted. Topic 326 requires a modified retrospective approach by recording a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. The Company adopted this standard on January 1, 2022, and it did not have a material impact on the Company’s consolidated financial statements.

Revenue

Revenue	12 Months Ended
	Dec. 31, 2022
Revenue From Contract With Customer [Abstract]
Revenue	3. Revenue Revenue Recognition Revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration the Company expects to receive in exchange for those products or services. The Company enters into contracts that can include various combinations of its products, software licenses, and services, which are generally capable of being distinct and accounted for as separate performance obligations. For contracts with multiple performance obligations, the Company allocates the transaction price of the contract to each performance obligation, generally on a relative basis using its standalone selling price. The stated contract value is generally the transaction price to be allocated to the separate performance obligations. Revenue is recognized net of any taxes collected from customers that are subsequently remitted to governmental authorities. Nature of Products and Services The Company derives revenues from sales of hardware products, software licenses, subscriptions, professional services, software maintenance and support, and extended hardware warranties. Hardware Product Revenues — The Company generally has two performance obligations in arrangements involving the sale of hardware products. The first performance obligation is to transfer the hardware product (which includes software integral to the functionality of the hardware product). The second performance obligation is to provide assurance that the product complies with its agreed-upon specifications and is free from defects in material and workmanship for a period of one to three years (i.e. assurance warranty). The entire transaction price is allocated to the hardware product and is generally recognized as revenue at the time of shipment because the customer obtains control of the product at that point in time. The Company has concluded that control generally transfers at that point in time because the customer has title to the hardware, and a present obligation to pay for the hardware. None of the transaction price is allocated to the assurance warranty component, as the Company accounts for these product warranty costs in accordance with ASC 460, Guarantees . Software License Revenues — The Company’s license arrangements grant customers the perpetual right to access and use the licensed software products at the outset of an arrangement. Technical support and software updates are generally made available throughout the term of the support agreement, which is generally one to three years . The Company accounts for these arrangements as two performance obligations: (1) the software licenses, and (2) the related updates and technical support. The software license revenue is recognized when the license is delivered to the customer or made available for download, while the software updates and technical support is recognized over the term of the support contract. Subscription Revenues — Subscription revenues consist of fees received in consideration for providing customers access to one or more of the Company’s software-as-a-service (“SaaS”) based solutions. These SaaS arrangements include access to the Company’s licensed software and, in certain arrangements, use of various hardware devices over the contract term. These SaaS arrangements do not provide the customer the right to take possession of the software supporting the subscription service, or if applicable, any hardware devices at any time during the contract period, and as such are not considered separate performance obligations. Revenue is recognized ratably on a straight-line basis over the term of the contract beginning when the service is made available to the customer. Subscription contract terms range from month-to-month to six years in length and billed monthly or annually. Professional Services Revenues — Professional services revenues consist primarily of programming customization services performed relating to the integration of the Company’s software products with the customers other systems, such as HR systems. Professional services contracts are generally billed on a time and materials basis and revenue is recognized as the services are performed. Software Maintenance and Support Revenues — Support and maintenance contract revenues consist of the services provided to support the specialized programming applications performed by the Company’s professional services group. Support and maintenance contracts are typically billed at inception of the contract and recognized as revenue over the contract period, typically over a one or three year period. Extended Hardware Warranties Revenues — Sales of the Company’s hardware products may also include optional extended hardware warranties, which typically provide assurance that the product will continue function as initially intended. Extended hardware warranty contracts are typically billed at inception of the contract and recognized as revenue over the respective contract period, typically over one to two year periods after the expiration of the original assurance warranty. Performance When Performance Obligation is When Payment is How Standalone Selling Price is Hardware products When customer obtains control of the product (point-in-time) Within 30 - 60 days of shipment Observable in transactions without multiple performance obligations Software licenses When license is delivered to customer or made available for download, and the applicable license period has begun (point-in-time) Within 30 - 60 days of the beginning of license period Established pricing practices for software licenses bundled with software maintenance, which are separately observable in renewal transactions Subscriptions Ratably over the course of the subscription term (over time) In advance of subscription term Contractually stated or list price Professional services As services are performed and/or when contract is fulfilled (point-in-time) Within 30 - 60 days of delivery Observable in transactions without multiple performance obligations Software maintenance Ratably over the course of the support contract (over time) Within 30 - 60 days of the beginning of the contract period Observable in renewal transactions Extended hardware Ratably over the course of the support contract (over time) Within 30 - 60 days of the beginning of the contract period Observable in renewal transactions Significant Judgments The Company’s contracts with customers often include promises to transfer multiple products and services to a customer. For such arrangements, the Company allocates the transaction price to each performance obligation based on its relative standalone selling price (“SSP”). Judgment is required to determine the SSP for each distinct performance obligation in a contract. For the majority of items, the Company estimates SSP using historical transaction data. The Company uses a range of amounts to estimate SSP when it sells each of the products and services separately and needs to determine whether there is a discount to be allocated based on the relative SSP of the various products and services. In instances where SSP is not directly observable, such as when the product or service is not sold separately, the Company determines the SSP using information that may include market conditions and other observable inputs. The determination of SSP is an ongoing process and information is reviewed regularly in order to ensure SSPs reflect current information or trends. Disaggregation of Revenues The Company disaggregates revenue from contracts with customers based on the timing of transfer of goods or services to customers (point-in-time or over time) and geographic region based on the shipping location of the customer. The geographic regions that are tracked are the Americas, Europe and the Middle East, and Asia-Pacific regions. Total net sales based on the disaggregation criteria described above are as follows (in thousands): Year Ended December 31, 2022 2021 2020 Point-in- Over Time Total Point-in- Over Time Total Point-in- Over Time Total Americas $ 73,317 $ 3,482 $ 76,799 $ 66,162 $ 3,234 $ 69,396 $ 54,491 $ 3,811 $ 58,302 Europe and the Middle East 15,492 408 15,900 12,507 369 12,876 9,124 373 9,497 Asia-Pacific 20,216 — 20,216 21,497 — 21,497 19,121 — 19,121 Total $ 109,025 $ 3,890 $ 112,915 $ 100,166 $ 3,603 $ 103,769 $ 82,736 $ 4,184 $ 86,920 Contract Balances Amounts invoiced in advance of services being provided are accounted for as deferred revenue. Nearly all of the Company’s deferred revenue balance is related software maintenance contracts. Payment terms and conditions vary by contract type, although payment is typically due within 30 to 60 days of contract inception. In instances where the timing of revenue recognition differs from the timing of invoicing, the Company has determined its contracts do not include a significant financing component. The primary purpose of the Company’s invoicing terms is to provide customers with simplified and predictable ways of purchasing the Company’s products and services, not to receive financing from its customers. Changes in deferred revenue during the years ended December 31, 2022 and 2021 were as follows (in thousands): Year Ended December 31, 2022 2021 Deferred revenue, beginning of period $ 2,433 $ 2,366 Deferral of revenue billed in current period, net of recognition 2,241 1,905 Recognition of revenue deferred in prior periods ( 2,019 ) ( 1,838 ) Deferred revenue, end of period $ 2,655 $ 2,433 Amounts recognized as revenue in excess of amounts billed are recorded as unbilled receivables and are included in other current assets on the consolidated balance sheet. As of December 31, 2022 and 2021, the amount of unbilled receivables was immaterial. Unsatisfied Performance Obligations Revenue expected to be recognized in future periods related to remaining performance obligations, excluding revenue pertaining to contracts that have an original expected duration of one year or less, and contracts where revenue is recognized as invoiced, was approximately $ 0.9 million as of December 31, 2022. Since the Company typically invoices customers at contract inception, this amount is included in the deferred revenue balance. As of December 31, 2022 , the Company expects to recognize approximately 39 % of the revenue related to these unsatisfied performance obligations during 2023, 26 % during 2024, and 35 % thereafter. Practical Expedients The Company has elected the following practical expedients in accordance with ASC 606, Revenue from Contracts with Customers : • The Company expenses costs as incurred for costs to obtain a contract when the amortization period would have been one year or less. These costs include internal sales force compensation programs and certain partner sales incentive programs as the Company has determined annual compensation is commensurate with annual sales activities. • The Company generally expenses sales commissions when incurred because the amortization period would have been one year or less. These costs are recorded within selling and marketing expense. • The Company does not disclose the value of unsatisfied performance obligations for contracts with an original expected length of one year or less. • The Company does not consider the time value of money for contracts with original durations of one year or less.

Fair Value Measurements

Fair Value Measurements	12 Months Ended
	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Fair Value Measurements	4. Fair Value Measurements The Company determines the fair values of its financial instruments based on a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The classification of a financial asset or liability within the hierarchy is based upon the lowest level input that is significant to the fair value measurement. Under ASC 820, Fair Value Measurement and Disclosures (“ASC 820”), the fair value hierarchy prioritizes the inputs into three levels that may be used to measure fair value: • Level 1 – Quoted prices (unadjusted) for identical assets and liabilities in active markets; • Level 2 – Inputs other than quoted prices in active markets for identical assets and liabilities that are observable either directly or indirectly; and • Level 3 – Unobservable inputs. Assets and Liabilities Measured at Fair Value on a Recurring Basis As of December 31, 2022 and 2021, the only assets measured and recognized at fair value on a recurring basis were nominal cash equivalents. As of December 31, 2022 and 2021 , there were no liabilities measured and recognized at fair value on a recurring basis. Assets and Liabilities Measured at Fair Value on a Non-recurring Basis Certain of the Company's assets, including goodwill, intangible assets, and privately-held investments, are measured at fair value on a nonrecurring basis if impairment is indicated. Purchased intangible assets are measured at fair value primarily using discounted cash flow projections. For additional discussion of measurement criteria used in evaluating potential impairment involving goodwill and intangible assets, refer to Note 5, Goodwill and Intangible Assets . As of December 31, 2022 and 2021 , the Company had $ 348,000 of privately-held investments measured at fair value on a nonrecurring basis, which were classified as Level 3 assets due to the absence of quoted market prices and inherent lack of liquidity. The Company reviews its investments to identify and evaluate investments that have an indication of possible impairment. The Company adjusts the carrying value for its privately-held investments for any impairment if the fair value is less than the carrying value of the respective assets on an other-than-temporary basis. The amount of privately-held investments is included in other assets in the accompanying consolidated balance sheets. During the years ended December 31, 2022 and 2021 , the Company received proceeds of approximately $ 30 ,000 and $ 611 ,000, respectively from the acquisition of a private company that the Company had invested in, which had been fully impaired and had no carrying value. As of December 31, 2022 and 2021 , there were no liabilities that are measured and recognized at fair value on a non-recurring basis. Assets and Liabilities Not Measured at Fair Value The carrying amounts of the Company's accounts receivable, prepaid expenses and other current assets, accounts payable, and other accrued expenses and liabilities approximate fair value due to their short maturities.

Goodwill and Intangible Assets

Goodwill and Intangible Assets	12 Months Ended
	Dec. 31, 2022
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	5. Goodwill and Intangible Assets Goodwill The following table summarizes the activity of goodwill (in thousands): Identity Premises Total Balance as of December 31, 2020 $ 3,554 $ 6,712 $ 10,266 Currency translation adjustment — 2 2 Balance as of December 31, 2021 3,554 6,714 10,268 Currency translation adjustment — ( 78 ) ( 78 ) Balance as of December 31, 2022 $ 3,554 $ 6,636 $ 10,190 In accordance with ASC 350, the Company tests goodwill for impairment on an annual basis, in the fourth quarter, or whenever events or changes in circumstances indicate that the carrying amount of these assets may not be recoverable. The Company performs an initial assessment of qualitative factors to determine whether the existence of events and circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. In performing the qualitative assessment, the Company identifies and considers the significance of relevant key factors, events, and circumstances that affect the fair value of its reporting units. These factors include external factors such as macroeconomic, industry, and market conditions, as well as entity-specific factors, such as actual and planned financial performance. If, after assessing the totality of relevant events and circumstances, the Company determines that it is more likely than not that the fair value of the reporting unit exceeds its carrying value and there is no indication of impairment, no further testing is performed; however, if the Company concludes otherwise, then the Company will perform the quantitative impairment test which compares the estimated fair value of the reporting unit to its carrying value, including goodwill. If the carrying amount of the reporting unit is in excess of its fair value, an impairment loss would be recorded in the consolidated statement of comprehensive income (loss). During the years ended December 31, 2022, 2021 and 2020 , the Company noted no indicators of goodwill impairment and concluded no further testing was necessary. Intangible Assets The following table summarizes the gross carrying amount and accumulated amortization for intangible assets resulting from acquisitions (in thousands): Developed Customer Trademarks Technology Relationships Total Amortization period (in years) 5 10 - 12 4 - 12 Gross carrying amount as of December 31, 2022 $ 766 $ 9,093 $ 15,743 $ 25,602 Accumulated amortization ( 691 ) ( 6,666 ) ( 12,980 ) ( 20,337 ) Intangible assets, net as of December 31, 2022 $ 75 $ 2,427 $ 2,763 $ 5,265 Gross carrying amount as of December 31, 2021 $ 764 $ 9,127 $ 15,774 $ 25,665 Accumulated amortization ( 536 ) ( 6,219 ) ( 12,465 ) ( 19,220 ) Intangible assets, net as of December 31, 2021 $ 228 $ 2,908 $ 3,309 $ 6,445 Each period, the Company evaluates the estimated remaining useful lives of purchased intangible assets and whether events or changes in circumstances warrant a revision to the remaining period of amortization. If a revision to the remaining period of amortization is warranted, amortization is prospectively adjusted over the remaining useful life of the intangible asset. Intangible assets subject to amortization are amortized on a straight-line basis over their useful lives as indicated in the table above. The Company performs an evaluation of its amortizable intangible assets for impairment at the end of each reporting period. The Company did no t identify any impairment indicators during the years ended December 31, 2022, 2021 and 2020. The following table summarizes the amortization expense included in the consolidated statements of comprehensive income (loss) (in thousands): Year Ended December 31, 2022 2021 2020 Cost of revenue $ 447 $ 453 $ 899 Selling and marketing 670 671 1,666 Total $ 1,117 $ 1,124 $ 2,565 The estimated annual future amortization expense for purchased intangible assets with definite lives as of December 31, 2022 was as follows (in thousands): 2023 $ 1,030 2024 956 2025 956 2026 956 2027 956 Thereafter 411 Total $ 5,265

Balance Sheet Components

Balance Sheet Components	12 Months Ended
	Dec. 31, 2022
Statement Of Financial Position [Abstract]
Balance Sheet Components	6. Balance Sheet Components The Company’s inventories are stated at the lower of cost or market value. Inventories consist of (in thousands): December 31, 2022 2021 Raw materials $ 13,333 $ 7,182 Work-in-progress 55 — Finished goods 15,570 12,742 Total $ 28,958 $ 19,924 Property and equipment, net consists of (in thousands): December 31, 2022 2021 Building and leasehold improvements $ 1,941 $ 1,304 Furniture, fixtures and office equipment 726 1,379 Plant and machinery 15,311 13,244 Purchased software 718 2,281 Total 18,696 18,208 Accumulated depreciation ( 11,977 ) ( 14,142 ) Property and equipment, net $ 6,719 $ 4,066 The Company recorded depreciation expense of $ 1.2 million, $ 0.8 million and $ 0.7 million during the years ended December 31, 2022, 2021 and 2020, respectively. Other accrued expenses and liabilities consist of (in thousands): December 31, 2022 2021 Accrued professional fees $ 574 $ 576 Accrued restructuring 24 294 Accrued warranties 345 377 Rental payments due to landlord — 922 Other accrued expenses 1,675 1,605 Total $ 2,618 $ 3,774

Financial Liabilities

Financial Liabilities	12 Months Ended
	Dec. 31, 2022
Debt Disclosure [Abstract]
Financial Liabilities	. Financial Liabilities On February 8, 2017, the Company entered into a Loan and Security Agreement with East West Bank (“EWB”). Following subsequent amendments, on April 14, 2022, the Company and EWB amended the Loan and Security Agreement replacing the $ 20.0 million revolving loan facility subject to a borrowing base with a non-formula revolving loan facility with no borrowing base requirement and a maturity date of February 8, 2023 . In addition, the interest rate was lowered from prime to prime minus 0.25 %, and certain financial covenants were amended. On February 8, 2023, the Company entered into an amendment (the "Fourth Amendment") to its amended and restated the Loan and Security Agreement with EWB (as amended to date, the "Loan Agreement"). The Fourth Amendment amends the Loan Agreement to, among other things, extend the maturity date to February 8, 2025 , and amend certain financial covenants. The Loan Agreement contains customary representations and warranties and customary affirmative and negative covenants, including, limits or restrictions on the Company’s ability to incur liens, incur indebtedness, make certain restricted payments (including dividends), merge or consolidate and dispose of assets, as well as other financial covenants. The Company’s obligations under the Loan Agreement are collateralized by substantially all of its assets. As of December 31, 2022 , there were no amounts outstanding and the Company was in compliance with all financial covenants under the Loan Agreement.

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income Taxes	. Income Taxes Income (loss) before income tax provision for domestic and non-U.S. operations is as follows (in thousands): For the Year Ended December 31, 2022 2021 2020 Income (loss) from operations before income tax provision: U.S. $ ( 2,710 ) $ ( 1,189 ) $ ( 6,321 ) Foreign 2,419 2,837 1,289 Income (loss) from operations before income tax provision $ ( 291 ) $ 1,648 $ ( 5,032 ) The income tax provision consisted of the following (in thousands): For the Year Ended December 31, 2022 2021 2020 Deferred: Federal $ — $ — $ — State — — — Foreign — — — $ — $ — $ — Current: Federal $ — $ — $ — State 3 ( 24 ) ( 15 ) Foreign 98 52 88 Total current 101 28 73 Total income tax provision $ 101 $ 28 $ 73 Significant items making up deferred tax assets and liabilities are as follows (in thousands): December 31, 2022 2021 Deferred tax assets: Allowances not currently deductible for tax purposes $ 777 $ 978 Net operating loss carryforwards 41,730 44,068 Operating lease liabilities 1,018 312 General carryforwards 16,407 16,433 Stock-based compensation 1,471 1,487 Accrued and other 2,090 1,961 63,493 65,239 Less valuation allowance ( 59,996 ) ( 62,441 ) 3,497 2,798 Deferred tax liabilities: Depreciation and amortization ( 867 ) ( 925 ) Operating lease right-of-use assets ( 693 ) ( 10 ) State income taxes ( 1,937 ) ( 1,863 ) ( 3,497 ) ( 2,798 ) Net deferred tax asset $ — $ — Management assesses the available positive and negative evidence to estimate if sufficient future taxable income will be generated to use the existing deferred tax assets. A significant piece of objective negative evidence evaluated was the cumulative loss incurred over the three-year period ended December 31, 2022. Such objective evidence limits the ability to consider other subjective evidence such as the Company’s projections for future growth. A valuation allowance of $ 60.0 million and $ 62.4 million, as of December 31, 2022 and 2021, respectively, has been recorded to offset the related net deferred tax assets as the Company is unable to conclude that it is more likely than not that such deferred tax assets will be realized. The net deferred tax liabilities are primarily from foreign tax liabilities as well as intangibles acquired as a result of the acquisitions, which are not deductible for tax purposes. The following table summarizes the Company’s net deferred tax assets valuation allowance activity (in thousands): Year Ended December 31, 2022 2021 2020 Balance at beginning of period $ 62,441 $ 62,699 $ 62,492 Increases in valuation allowance — 459 1,142 Decreases in valuation allowance ( 2,445 ) ( 717 ) ( 935 ) Balance at end of period $ 59,996 $ 62,441 $ 62,699 Section 951A under the Tax Cuts and Jobs Act (the “Act”) requires a U.S. shareholder of a controlled foreign corporation to include in taxable income the shareholder’s share of global intangible low-taxed income (“GILTI”) for the year. The Company has determined that the Section 951A provisions do apply to its operations and relationships with its controlled foreign corporations (“CFCs”). The Company recorded $ 2.0 million and $ 2.5 million of GILTI income in 2022 and 2021, respectively. The Company did not record any GILTI income in 2020 due to net tested losses at its CFCs. The Act also changed the treatment of Section 174 research and experimental costs beginning January 1, 2022. Historically, taxpayers had the option of expensing Section 174 costs currently or amortizing over five years . The Act provision requires taxpayers to now capitalize such costs and amortize over five years for research conducted domestically or fifteen years if conducted outside of the U.S. This new Section 174 rule had no material impact on the Company's consolidated financial statements in 2022, and any increases to taxable income as a result of capitalizing research and experimental costs in the future are expected to be offset by the Company's net operating losses. As of December 31, 2022 , the Company had net operating loss carryforwards of $ 121.0 million for federal, $ 50.3 million for state and $ 52.5 million for foreign income tax purposes. Certain of the Company’s federal, state and foreign loss carryforwards have started expiring and will continue to expire through 2042 if not utilized. The Tax Reform Act of 1986 (the “Tax Reform Act”) limits the use of net operating loss and tax credit carryforwards in certain situations where changes occur in stock ownership. The Company completed its acquisition of Bluehill ID AG on January 4, 2010, which resulted in a stock ownership change as defined by the Tax Reform Act. The Company also completed its acquisition of 3VR Security, Inc. on February 14, 2018, which resulted in a stock ownership change as defined by the Tax Reform Act. These transactions resulted in limitations on the annual utilization of federal and state net operating loss carryforwards and credits. As a result, the Company reevaluated its available deferred tax assets, and the loss carryforward and credit amounts, excluding the valuation allowance presented above have been adjusted for the limitation resulting from the change in ownership in accordance with the provisions of the Tax Reform Act. The income tax provision reconciled to the amount computed by applying the statutory federal tax rate to the income (loss) before income tax provision is as follows (in thousands): For the Year Ended December 31, 2022 2021 2020 Income tax provision (benefit) at statutory federal tax rate of 21 % $ ( 61 ) $ 345 $ ( 1,057 ) State taxes, net of federal benefit 2 ( 19 ) ( 12 ) Foreign taxes provisions provided for at rates other than U.S. statutory rate ( 410 ) ( 494 ) ( 202 ) Section 951(A) inclusion 428 523 — Stock options ( 218 ) ( 443 ) — Change in valuation allowance 274 700 1,432 Permanent differences 86 42 ( 76 ) PPP loan forgiveness — ( 619 ) — Other — ( 7 ) ( 12 ) Total provision for income taxes $ 101 $ 28 $ 73 The Company applies the provisions of, and accounted for uncertain tax positions in accordance with, ASC 740. ASC 740 clarifies the accounting for uncertainty in income taxes recognized in an entity’s financial statements. It prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740 also provides guidance on de-recognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. The Coronavirus Aid, Relief and Economic Security Act (the "CARES Act") includes provisions relating to refundable payroll tax credits, deferment of the employer portion of certain payroll taxes, net operating loss carryback periods, and alternative minimum tax credit refunds. The Company analyzed the provisions of the CARES Act and determined there was no significant impact to its provision for income taxes for the year ended December 31, 2020. On August 16, 2022, the President of the United States signed into law the Inflation Reduction Act ("H.R. 5376"), which contained various tax law changes, including the imposition of an AMT on “large” corporations, a tax on certain stock buybacks, and other targeted revenue raisers. The Company analyzed the provisions of H.R. 5376 and currently does not expect this law to have any material effect on the Company. On June 29, 2020, California Governor Gavin Newsom signed Assembly Bill 85 (“AB85”) into law as part of the California 2020 Budget Act, which temporarily suspends the use of California net operating losses and imposes a cap on the amount of business incentive tax credits that companies can utilize against their net income for tax years 2020, 2021, and 2022. The Company analyzed the provisions of AB85 and determined there was no impact on the Company’s income tax provision for the years ended December 31, 2022 and 2021. On December 27, 2020, the Consolidated Appropriations Act, 2021 (the “CAA”) was signed into law. The CAA includes provisions meant to clarify and modify certain items put forth in CARES Act, while providing aid to businesses affected by the pandemic. The Company recorded an income tax benefit of $ 6.2 million in the year ended December 31, 2021 as a result of deductibility of expenses paid by the forgiveness of the PPP loan. A reconciliation of the beginning and ending amount of unrecognized tax benefits with an impact on the Company’s consolidated balance sheets or statements of comprehensive income (loss) is as follows (in thousands): December 31, 2022 2021 Balance at beginning of period $ 2,276 $ 2,307 Additions based on tax positions related to the current year 1 1 Additions for tax positions of prior years 2 — Reductions in prior year tax positions — ( 32 ) Balance at end of period $ 2,279 $ 2,276 While timing of the resolution and/or finalization of tax audits is uncertain, the Company does not believe that its unrecognized tax benefits as presented in the above table would materially change in the next 12 months. As of December 31, 2022 and 2021 , the Company recognized liabilities for unrecognized tax benefits of $ 2.3 million and $ 2.3 million, respectively. Since there was a full valuation allowance against these deferred tax assets, there was no impact on the Company’s consolidated balance sheets or statements of comprehensive income (loss) for the years ended December 31, 2022, 2021 and 2020. Also the subsequent recognition, if any, of these previously unrecognized tax benefits would not affect the effective tax rate. Such recognition would result in adjustments to other tax accounts, primarily deferred taxes. The amount of unrecognized tax benefits which, if recognized, would not affect the Company's tax rate as of December 31, 2022 and 2021, respectively. The Company recognizes interest accrued related to unrecognized tax benefits and penalties as income tax expense. For the year ended December 31, 2022 , the Company recorded an increase in accrued penalties of $ 2,000 and an increase in accrued interest of $ 1,000 related to the unrecognized tax benefits noted above. As of December 31, 2022 , the Company has recognized a total liability for penalties of $ 4,000 and interest of $ 7,000 . For the year ended December 31, 2021, the Company recorded a decrease in accrued penalties of $ 3,000 and a decrease in accrued interest of $ 9,000 related to the unrecognized tax benefits noted above. As of December 31, 2021, the Company had recognized a total liability for penalties of $ 3,000 and interest of $ 5,000 . For the year ended December 31, 2020 , the Company recorded a decrease in accrued penalties of $ 5,000 and a decrease in accrued interest of $ 21,000 . The Company files U.S. federal, U.S. state and foreign tax returns. The Company generally is no longer subject to tax examinations for years prior to 2017. However, if loss carryforwards of tax years prior to 2017 are utilized in the U.S., these tax years may become subject to investigation by the tax authorities.

Stockholders' Equity

Stockholders' Equity	12 Months Ended
	Dec. 31, 2022
Equity [Abstract]
Stockholders' Equity	9. Stockholders’ Equity Preferred Stock The Company is authorized to issue 10,000,000 shares of preferred stock, 40,000 of which have been designated as Series A Participating Preferred Stock, par value $ 0.001 per share, and 5,000,000 of which have been designated as Series B Non-Voting Convertible Preferred Stock, par value $ 0.001 per share (the “Series B Preferred Stock”). No shares of the Company’s Series A Participating Preferred Stock were outstanding as of December 31, 2022 and 2021. At both December 31, 2022 and 2021 , 5,000,000 shares of the Series B convertible preferred stock were outstanding. The Board of Directors may from time to time, without further action by the Company’s stockholders, direct the issuance of shares of preferred stock in other series and may, at the time of issuance, determine the rights, preferences and limitations of each series, including voting rights, dividend rights and redemption and liquidation preferences. Satisfaction of any dividend preferences of outstanding shares of preferred stock would reduce the amount of funds available for the payment of dividends on shares of the Company’s common stock. Holders of shares of preferred stock may be entitled to receive a preference payment in the event of any liquidation, dissolution or winding-up of the Company before any payment is made to the holders of shares of the Company’s common stock. Upon the affirmative vote of the Board, without stockholder approval, the Company may issue shares of preferred stock with voting and conversion rights, which could adversely affect the holders of shares of its common stock. Series B Convertible Preferred Stock and Private Placement On December 20, 2017, the Company entered into a Securities Purchase Agreement (the “Purchase Agreement”) with each of 21 April Fund, Ltd. and 21 April Fund, LP (collectively, the “Purchasers”), pursuant to which the Company, in a private placement, agreed to issue and sell to the Purchasers an aggregate of up to 5,000,000 shares of the Series B convertible preferred stock, $ 0.001 par value per share (collectively referred to as the “Shares”). The Purchasers agreed to purchase an aggregate of 3,000,000 Shares at a price of $ 4.00 per share in cash at the initial closing of the transaction, and at the sole option of the Company, an additional 2,000,000 Shares at a price of $ 4.00 per share in cash at a second closing, if any (the “Private Placement”). The total purchase price payable to the Company was $ 20,000,000 , of which $ 12,000,000 was paid at the initial closing. On May 30, 2018, the Company issued 2,000,000 Shares at a price of $ 4.00 per share in the second closing of the Private Placement. Gross proceeds to the Company from the second closing were approximately $ 8.0 million, before deducting fees and certain expenses payable by the Company. The proceeds from the issuance of the Shares were required to be used to pay off existing debt obligations of the Company and to fund future acquisitions of technology, business and other assets by the Company. Each Share shall be convertible into the Company’s common stock (i) following the sixth (6th) anniversary of the initial closing of the Private Placement or (ii) if earlier, during the thirty (30) day period following the last trading day of any period of three (3) or more consecutive trading days that the closing market price of the Company’s common stock exceeds $ 10.00 . Each Share is convertible at the option of the holder of the Shares into such number of shares of the Company’s common stock determined by taking the accreted value of such Share (purchase price plus accrued but unpaid dividends) and dividing such value by the stated value of such Share ($ 4.00 per share, subject to adjustment for dilutive issuances, stock splits, stock dividends and the like); provided, however, that the Company shall not convert any Shares if doing so would cause the holder thereof, along with its affiliates, to beneficially own in excess of 19.9 % of the outstanding common stock immediately after giving effect to the applicable conversion (the “Ownership Limitation”), unless waiver of this restriction has been effected by the holder requesting conversion of Shares. Based on the current conversion price, the outstanding shares, including the accretion of dividends, of Series B convertible preferred stock as of December 31, 2022 would be convertible into 6,330,762 shares of the Company’s common stock. However, the conversion rate will be subject to adjustment in certain instances, such as if the Company issues shares of its common stock at a price less than $ 4.00 per common share, subject to a minimum conversion price of $ 3.27 per share. As of December 31, 2022, none of the contingent conditions to adjust the conversion rate had been met. Each share of Series B convertible preferred stock is entitled to a cumulative annual dividend of 5 % for the first six (6) years following the issuance of such share and 3 % for each year thereafter, with the Company retaining the option to settle each year’s dividend after the tenth (10 th ) year in cash. The dividends accrue and are payable in kind upon such time as the shares convert into the Company’s common stock. In general, the shares are not entitled to vote except in certain limited cases, including in change of control transactions where the expected price per share distributable to the Company’s stockholders is expected to be less than $ 4.00 per share. The Certificate of Designation with respect to the Series B convertible preferred stock further provides that in the event of, among other things, any change of control, liquidation or dissolution of the Company, the holders of the Series B convertible preferred stock will be entitled to receive, on a pari passu basis with the holders of the common stock, the same amount and form of consideration that the holders of the Company’s common stock receive (on an as-if-converted-to-common-stock basis and without regard to the Ownership Limitation applicable to the Series B convertible preferred stock). Series B Convertible Preferred Stock Dividend Accretion The following table summarizes Series B convertible preferred stock and the accretion of dividend activity for the years ended December 31, 2022 and 2021 (in thousands): Year Ended December 31, 2022 2021 Series B Convertible Preferred Stock: Balance at beginning of period 24,117 $ 22,969 Cumulative dividends on Series B convertible preferred stock 1,206 1,148 Balance at end of period $ 25,323 $ 24,117 Number of Common Shares Issuable Upon Conversion: Number of shares at beginning of period 6,029 5,742 Cumulative dividends on Series B convertible preferred stock 302 287 Number of shares at end of period 6,331 6,029 Sale of Common Stock On April 7, 2021, the Company sold an aggregate of 3,779,342 shares of its common stock at a public offering price of $ 10.65 per share in an underwritten public offering. The Company received net proceeds of approximately $ 37.6 million from the sale of the common stock in the public offering, after deducting the underwriting discounts and other offering related expenses of $ 2.6 million. Common Stock Warrants On May 5, 2020, the Company entered into a Note and Warrant Purchase Agreement with April 21 Fund, LP and 21 April Fund, Ltd. (collectively, the "April 21 Funds"), pursuant to which the Company issued warrants (“April 21 Funds Warrants”) to purchase 275,000 shares of common stock of the Company. The April 21 Funds Warrants have a term of three years . The shares of common stock issuable upon exercise of the April 21 Fund Warrants are entitled to the same resale registration rights granted to the April 21 Funds Warrants under the Stockholders Agreement dated December 21, 2017. Below is the summary of outstanding warrants issued by the Company as of December 31, 2022: Warrant Type Number of Shares Weighted Issue Date Expiration Date April 21 Funds Warrants 275,000 $ 3.50 May 5, 2020 May 5, 2023 Common Stock Reserved for Future Issuance Common stock reserved for future issuance as of December 31, 2022 was as follows: Exercise of outstanding stock options, vesting of restricted stock units ("RSU"), vesting of performance stock 1,495,944 Employee Stock Purchase Plan 293,888 Shares of common stock available for grant under the 2011 Plan 530,537 Warrants to purchase common stock 275,000 Shares of common stock issuable upon conversion of Series B convertible preferred stock 7,541,449 Total 10,136,818

Stock-Based Compensation

Stock-Based Compensation	12 Months Ended
	Dec. 31, 2022
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation	10. Stock-Based Compensation Stock Incentive Plan The Company maintains a stock-based compensation plan, the 2011 Incentive Compensation Plan, as amended, (the “2011 Plan”), to attract, motivate, retain and reward employees, directors and consultants by providing its Board or a committee of the Board the discretion to award equity incentives to these persons. On June 6, 2011, the Company’s stockholders approved the 2011 Plan, which is administered by the Compensation Committee of the Board. The 2011 Plan provides that stock options, stock units, restricted shares, and stock appreciation rights may be granted to executive officers, directors, consultants, and other key employees. The Company reserved 400,000 shares of common stock under the 2011 Plan, plus 459,956 shares of common stock that remained available for delivery under the 2007 Plan and the 2010 Plan as of June 6, 2011. In aggregate, as of June 6, 2011, 859,956 shares were available for future grant under the 2011 Plan, including shares rolled over from the 2007 Plan and the 2010 Plan. Subsequent to June 6, 2011 through December 31, 2022, the number of shares of common stock authorized for issuance under the 2011 Plan has been increased by an aggregate of 4,400,000 shares. Stock Options The following is a summary of stock option activity for the year ended December 31, 2022: Number Average Exercise Weighted Average Aggregate Balance as of December 31, 2021 514,693 $ 5.11 4.11 $ 11,850,930 Granted — — — Cancelled or Expired ( 9,100 ) 8.47 — Exercised — — — Balance as of December 31, 2022 505,593 $ 5.05 3.17 $ 1,280,805 Vested or expected to vest as of December 31, 2022 505,593 $ 5.05 3.17 $ 1,280,805 Exercisable as of December 31, 2022 505,593 $ 5.05 3.17 $ 1,280,805 The aggregate intrinsic value in the table above represents the difference between the fair value of the Company’s common stock as of December 31, 2022 and the exercise price of in-the-money stock options multiplied by the number of such stock options. The following table summarizes information about stock options outstanding as of December 31, 2022: Stock Options Outstanding Stock Options Exercisable Range of Exercise Prices Number Weighted Average Weighted Average Number Weighted Average $ 4.36 - $ 7.20 445,960 3.42 $ 4.37 445,960 $ 4.37 $ 7.50 - $ 11.25 59,100 1.29 10.17 59,100 10.17 $ 11.30 - $ 16.95 500 1.25 11.30 500 11.30 $ 19.70 - $ 29.55 33 0.62 19.70 33 19.70 $ 4.36 - $ 29.55 505,593 3.17 $ 5.05 505,593 $ 5.05 As of December 31, 2022 , there was no unrecognized stock-based compensation expense related to stock options. Restricted Stock Units The following is a summary of RSU activity for the year ended December 31, 2022: Number Weighted Average Unvested as of December 31, 2021 485,729 $ 9.19 Granted 675,046 14.10 Vested ( 274,834 ) 9.01 Forfeited ( 66,756 ) 9.96 Unvested as of December 31, 2022 819,185 $ 13.23 RSUs vested but not released 131,166 $ 6.73 The fair value of the Company’s RSUs is calculated based upon the fair market value of the Company’s common stock at the date of grant. As of December 31, 2022 , there was $ 8.7 million of unrecognized compensation cost related to unvested RSUs granted, which is expected to be recognized over a weighted average period of 3.3 years. Performance Stock Units The Company grants PSUs to certain key employees that are subject to the attainment of performance goals established by the Company’s Compensation Committee, the periods during which performance is to be measured, and other limitations and conditions. Performance goals are based on pre-established objectives that specify the manner of determining the number of PSUs that will vest if performance goals are attained. If an employee terminates employment, the non-vested portion of the PSUs will not vest and all rights to the non-vested portion will terminate. The following is a summary of PSU activity for the year ended December 31, 2022: Number Weighted Average Unvested as of December 31, 2021 175,000 $ 6.38 Granted 25,000 12.05 Vested ( 20,000 ) 6.38 Forfeited ( 140,000 ) 6.79 Unvested as of December 31, 2022 40,000 $ 8.51 As of December 31, 2022 , there was $ 0.2 million of unrecognized compensation cost related to unvested PSUs, which is expected to be recognized over a period of 1.0 year. No tax benefit was realized from PSUs for the year ended December 31, 2022. Stock-Based Compensation Expense The following table summarizes stock-based compensation expense related to stock options, RSUs, and PSUs included in the consolidated statements of comprehensive income (loss) (in thousands): Year Ended December 31, 2022 2021 2020 Cost of revenue $ 192 $ 183 $ 160 Research and development 699 486 685 Selling and marketing 845 545 480 General and administrative 1,425 1,392 1,702 Total $ 3,161 $ 2,606 $ 3,027 Restricted Stock Unit Net Share Settlements During the years ended December 31, 2022, 2021 and 2020 , the Company repurchased 67,723 , 82,351 , and 171,641 shares, respectively, of common stock surrendered to the Company to satisfy tax withholding obligations in connection with the vesting of RSUs issued to employees.

Net Income (Loss) per Common Sh

Net Income (Loss) per Common Share	12 Months Ended
	Dec. 31, 2022
Earnings Per Share [Abstract]
Net Income (Loss) per Common Share	11. Net Income (Loss) per Common Share Basic net income (loss) per common share is computed by dividing net income (loss) available to common stockholders during the period by the weighted average number of common shares outstanding during that period. Diluted net income (loss) per common share is impacted by equity instruments considered to be potential common shares, if dilutive, computed using the treasury stock or the if-converted method of accounting. The calculations for basic and diluted net income (loss) per common share are as follows: Year Ended December 31, 2022 2021 2020 Basic net income (loss) per common share: Numerator: Net income (loss) $ ( 392 ) $ 1,620 $ ( 5,105 ) Less: accretion of Series B convertible preferred stock dividends ( 1,206 ) ( 1,148 ) ( 1,094 ) Net income (loss) available to common stockholders $ ( 1,598 ) $ 472 $ ( 6,199 ) Denominator: Weighted average common shares outstanding - basic 22,659 21,340 17,978 Net income (loss) per common share - basic $ ( 0.07 ) $ 0.02 $ ( 0.34 ) Diluted net income (loss) per common share: Numerator: Net income (loss) available to common stockholders $ ( 1,598 ) $ 472 $ ( 6,199 ) Plus: accretion of Series B convertible preferred stock dividends, if dilutive — — — Net income (loss) available to common stockholders $ ( 1,598 ) $ 472 $ ( 6,199 ) Denominator: Weighted average common shares outstanding - basic 22,659 21,340 17,978 Dilutive securities: Stock options, RSUs, and warrants — 927 — Weighted average common shares outstanding - diluted 22,659 22,267 17,978 Net income (loss) per common share - diluted $ ( 0.07 ) $ 0.02 $ ( 0.34 ) The following common stock equivalents have been excluded from diluted net income (loss) per share for the fiscal years presented below because their inclusion would have been anti-dilutive (in thousands): December 31, 2022 2021 2020 Shares of common stock subject to outstanding RSUs 819 — 683 Shares of common stock subject to outstanding stock options 506 — 551 Shares of common stock subject to outstanding warrants 275 — 315 Shares of common stock issuable upon conversion of Series B 6,331 6,029 5,742 Total 7,931 6,029 7,291

Segment Reporting and Geographi

Segment Reporting and Geographic Information	12 Months Ended
	Dec. 31, 2022
Segment Reporting [Abstract]
Segment Reporting and Geographic Information	12. Segment Reporting and Geographic Information Segment Reporting ASC 280, Segment Reporting (“ASC 280”) establishes standards for the reporting by public business enterprises of information about operating segments, products and services, geographic areas, and major customers. The method for determining what information to report is based on the way management organizes the operating segments within the Company for making operating decisions and assessing financial performance. An operating segment is defined as a component of an enterprise that engages in business activities from which it may earn revenue and incur expenses and about which separate financial information is available to its chief operating decision makers (“CODM”). The Company’s CODM is its CEO. The CODM reviews financial information and business performance for each operating segment. The Company evaluates the performance of its operating segments at the revenue and gross profit levels. The Company does not report total assets, capital expenditures or operating expenses by operating segment as such information is not used by the CODM for purposes of assessing performance or allocating resources. Net revenue and gross profit information by segment are as follows (in thousands): Year Ended December 31, 2022 2021 2020 Identity: Net revenue $ 67,422 $ 64,725 $ 52,742 Gross profit 15,153 15,670 14,781 Gross profit margin 22 % 24 % 28 % Premises: Net revenue 45,493 39,044 34,178 Gross profit 25,791 21,397 18,900 Gross profit margin 57 % 55 % 55 % Total: Net revenue 112,915 103,769 86,920 Gross profit 40,944 37,067 33,681 Gross profit margin 36 % 36 % 39 % Operating expenses: Research and development 9,916 8,673 9,781 Selling and marketing 20,730 17,033 17,270 General and administrative 10,429 11,891 8,623 Decrease in fair value of earnout liability — — ( 261 ) Restructuring and severance 202 817 1,716 Total operating expenses: 41,277 38,414 37,129 Loss from operations ( 333 ) ( 1,347 ) ( 3,448 ) Non-operating income (expense): Interest expense, net ( 143 ) ( 483 ) ( 1,462 ) Gain on forgiveness of Paycheck Protection Program note — 2,946 — Gain on investment 30 611 — Foreign currency gains (losses), net 155 ( 79 ) ( 122 ) Income (loss) before income tax provision $ ( 291 ) $ 1,648 $ ( 5,032 ) Geographic Information Geographic net revenue is based on the customer’s ship-to location. Information regarding net revenue by geographic region is as follows (in thousands): Year Ended December 31, 2022 2021 2020 Americas $ 76,799 $ 69,396 $ 58,302 Europe and the Middle East 15,900 12,876 9,497 Asia-Pacific 20,216 21,497 19,121 Total $ 112,915 $ 103,769 $ 86,920 As percentage of net revenue: Americas 68 % 67 % 67 % Europe and the Middle East 14 % 12 % 11 % Asia-Pacific 18 % 21 % 22 % Total 100 % 100 % 100 % Long-lived assets by geographic location as of December 31, 2022 and 2021 are as follows (in thousands): December 31, 2022 2021 Property and equipment, net: Americas $ 530 $ 545 Europe and the Middle East 458 334 Asia-Pacific 5,731 3,187 Total property and equipment, net $ 6,719 $ 4,066 Operating lease ROU assets: Americas $ 3,637 $ 1,344 Europe and the Middle East 384 135 Asia-Pacific 352 609 Total operating lease ROU assets $ 4,373 $ 2,088

Restructuring and Severance

Restructuring and Severance	12 Months Ended
	Dec. 31, 2022
Restructuring And Related Activities [Abstract]
Restructuring and Severance	13. Restructuring and Severance During the year ended December 31, 2022 , the Company incurred restructuring expenses of $ 202,000 , consisting of severance related costs of $ 353,000 offset by a net credit of $ 151,000 associated with a settlement agreement for outstanding rental payments due the landlord on leased office space in San Francisco, California. The net credit represented the difference between amounts accrued and the settlement amount. During the year ended December 31, 2021, the Company incurred restructuring expenses of $ 817,000 , consisting of facility rental related costs of $ 521,000 , and severance related costs of $ 296,000 . Facility rental related costs during the year ended December 31, 2021 included a charge of $ 281,000 resulting from the impairment of a ROU operating lease asset for office space the Company vacated in the first quarter of 2021. During the year ended December 31, 2020, the Company incurred restructuring expenses of $ 1,716,000 , consisting of severance related costs of $ 375,000 , and facility rental related costs associated with office space of an acquired business of $ 1,341,000 . The latter included a charge of $ 1,296,000 associated with the impairment of the ROU operating lease assets for office space the Company vacated in 2020.

Leases

Leases	12 Months Ended
	Dec. 31, 2022
Leases [Abstract]
Leases	14. Leases The Company’s leases consist primarily of operating leases for administrative office space, research and development facilities, a manufacturing facility, and sales offices in various countries around the world. The Company determines if an arrangement is a lease at inception. Some lease agreements contain lease and non-lease components, which are accounted for as a single lease component. Total rent expense was $ 1.4 million, $ 1.3 million and $ 1.5 million for the years ended December 31, 2022, 2021 and 2020, respectively. Initial lease terms are determined at commencement and may include options to extend or terminate the lease when it is reasonably certain the Company will exercise the option. Remaining lease terms range from one to four years , some of which include options to extend for up to five years . Leases with an initial term of twelve months or less are not recorded on the consolidated balance sheets. As the Company’s leases do not provide an implicit rate, the present value of future lease payments is determined using the Company’s incremental borrowing rate based on information available at the lease commencement date. The table below reconciles the undiscounted cash flows for the first five years and the total of the remaining years to the operating lease liabilities recorded on the consolidated balance sheets as of December 31, 2022 (in thousands): December 31, 2022 2023 $ 1,398 2024 1,222 2025 984 2026 765 2027 723 Thereafter — Total minimum lease payments 5,092 Less: amount of lease payments representing interest ( 536 ) Present value of future minimum lease payments 4,556 Less: current liabilities under operating leases ( 1,190 ) Long-term operating lease liabilities $ 3,366 As of December 31, 2022, the weighted average remaining lease term for the Company’s operating leases was 2.8 years, and the weighted average discount rate used to determine the present value of the Company’s operating leases was 6.3 %. Cash paid for amounts included in the measurement of operating lease liabilities was $ 1.4 million, $ 1.4 million and $ 2.1 million for the years ended December 31, 2022, 2021 and 2020 , respectively.

Legal Proceedings

Legal Proceedings	12 Months Ended
	Dec. 31, 2022
Commitments And Contingencies Disclosure [Abstract]
Legal Proceedings	15. Legal Proceedings The Company is and from time to time, may become subject to claims arising in the ordinary course of business or could be named a defendant in additional lawsuits. The outcome of such claims or other proceedings cannot be predicted with certainty and may have a material effect on the Company’s financial condition, results of operations or cash flows.

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2022
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	16. Commitments and Contingencies The following table summarizes the Company’s principal contractual commitments, excluding operating leases, as of December 31, 2022 (in thousands): Purchase Other Total 2023 $ 61,366 $ 99 $ 61,465 2024 3,809 — 3,809 2025 4,005 — 4,005 Thereafter — — — Total $ 69,180 $ 99 $ 69,279 Purchase commitments for inventories are highly dependent upon forecasts of customer demand. Due to the uncertainty in demand from its customers, the Company may have to change, reschedule, or cancel purchases or purchase orders from its suppliers. These changes may lead to vendor cancellation charges on these purchases or contractual commitments. The following table summarizes the Company’s warranty accrual activity during the years ended December 31, 2022 and 2021 (in thousands): Year Ended December 31, 2022 2021 Balance at beginning of period $ 377 $ 321 Charged (credited) to costs and expenses ( 24 ) 59 Cost of warranty claims ( 8 ) ( 3 ) Balance at end of period $ 345 $ 377 The Company provides warranties on certain product sales for periods ranging from 12 to 36 months, and allowances for estimated warranty costs are recorded during the period of sale. The determination of such allowances requires the Company to make estimates of product return rates and expected costs to repair or to replace the products under warranty. The Company currently establishes warranty reserves based on historical warranty costs for each product line combined with liability estimates based on the prior 12 months’ sales activities. If actual return rates and/or repair and replacement costs differ significantly from the Company’s estimates, adjustments to recognize additional cost of sales may be required in future periods. Historically the warranty accrual and the expense amounts have been immaterial.

Subsequent Events

Subsequent Events	12 Months Ended
	Dec. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	17. Subsequent Events There were no subsequent events except as disclosed within Note 7, Financial Liabilities .

Significant Accounting Polici_2

Significant Accounting Policies and Recent Accounting Pronouncements (Policies)	12 Months Ended
	Dec. 31, 2022
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Principles of Consolidation	Principles of Consolidation — The accompanying consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.
Reclassifications	Reclassifications — Certain reclassifications have been made to the fiscal year 2021 consolidated financial statements to conform to the fiscal year 2022 presentation. The reclassifications had no impact on net income (loss), total assets, total liabilities, or stockholders’ equity.
Use of Estimates	Use of Estimates — The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities as of the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The Company believes judgment is involved in determining revenue recognition; impairment of goodwill and intangible assets; the recoverability of long-lived assets; stock-based compensation expense; and income tax uncertainties. The Company bases these estimates on historical and anticipated results, trends, and various other assumptions that the Company believes are reasonable under the circumstances, including assumptions as to future events. Actual results could differ materially from those estimates and assumptions.
Cash and Cash Equivalents and Restricted Cash	Cash and Cash Equivalents and Restricted Cash — The Company considers all highly liquid investments with an original maturity of 90 days or less or investments with a remaining maturity of 90 days or less at the date of purchase to be cash equivalents and investments with original maturities greater than 90 days but less than one year to be short-term investments. Restricted cash as of December 31, 2022 and 2021 of $ 0.5 million and $ 1.3 million, respectively, pertains primarily to a stand by letter of credit with a manufacturer for equipment purchased for the Company’s manufacturing facility in Singapore.
Concentration of Credit Risk	Concentration of Credit Risk — Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable. The Company maintains its cash and cash equivalents with what it considers high credit quality financial institutions. No customer accounted for 10% or more of net revenue for the years ended December 31, 2022 , 2021 or 2020 , respectively. No customer accounted for 10% or more of the Company’s accounts receivable, net balance as of December 31, 2022 or 2021 . The Company does not require collateral or other security to support accounts receivable. To reduce risk, the Company’s management performs ongoing credit evaluations of its customers’ financial condition. The Company maintains allowances for potential credit losses in its consolidated financial statements. The Company relies upon a limited number of suppliers for some key components of their products which exposes them to various risks. One supplier accounted for 11 % of the Company's accounts payable as of December 31, 2022 , while no supplier accounted for 10% or more of the Company’s accounts payable balance as of December 31, 2021 .
Allowance for Doubtful Accounts	Allowance for Doubtful Accounts — The allowance for doubtful accounts is based on the Company’s assessment of the collectability of customer accounts. The Company regularly reviews its receivables that remain outstanding past their applicable payment terms and establishes an allowance and potential write-offs by considering factors such as historical experience, credit quality, age of the accounts receivable balances, and current economic conditions that may affect a customer’s ability to pay. Although the Company expects to collect net amounts due as stated on the consolidated balance sheets, actual collections may differ from these estimated amounts.
Inventories	Inventories — Inventories are stated at the lower of cost (using average cost or standard cost, as applicable) or net realizable value (market). Inventory is written down for excess inventory, technical obsolescence and the inability to sell based primarily on historical sales and expectations for future use. The Company operates in an industry characterized by technological change. The planning of production and inventory levels is based on internal forecasts of customer demand, which are highly unpredictable and can fluctuate substantially. Should the demand for the Company’s products prove to be significantly less than anticipated, the ultimate realizable value of the Company’s inventory could be substantially less than amounts in the consolidated balance sheets. Once inventory has been written down below cost, it is not subsequently written up.
Property and Equipment	Property and Equipment — Property and equipment are stated at cost less accumulated depreciation. Depreciation and amortization are computed using the straight-line method over estimated useful lives of three to ten years for furniture, fixture and office equipment, five to seven years for machinery, five years for automobiles and three years for computer software. Leasehold improvements are amortized over the shorter of the lease term or their estimated useful life.
Intangible Assets	Intangible Assets — Amortizable intangible assets include trademarks, developed technology and customer relationships acquired as part of business combinations. Intangible assets subject to amortization are amortized using the straight-line method over their estimated useful lives ranging from four to twelve years and are reviewed for impairment.
Goodwill	Goodwill — Goodwill represents the excess of the aggregate of the fair value of consideration transferred in a business combination, over the fair value of assets acquired, net of liabilities assumed. In accordance with Accounting Standards Codification (“ASC”) 350, Intangibles-Goodwill and Other (“ASC 350”), goodwill is not amortized but is tested for impairment on an annual basis, in the fourth quarter, or whenever events or changes in circumstances indicate that the carrying amount of these assets may not be recoverable. The Company performs an initial assessment of qualitative factors to determine whether the existence of events and circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. In performing the qualitative assessment, the Company identifies and considers the significance of relevant key factors, events, and circumstances that affect the fair value of its reporting units. These factors include external factors such as macroeconomic, industry, and market conditions, as well as entity-specific factors, such as actual and planned financial performance. If, after assessing the totality of relevant events and circumstances, the Company determines that it is more likely than not that the fair value of the reporting unit exceeds its carrying value and there is no indication of impairment, no further testing is performed; however, if the Company concludes otherwise, then it performs the quantitative impairment test which compares the estimated fair value of the reporting unit to its carrying value, including goodwill. If the carrying amount of the reporting unit is in excess of its fair value, an impairment loss would be recorded in the consolidated statement of comprehensive income (loss).
Long-Lived Assets	Long-Lived Assets — The Company reviews long‑lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of the assets may not be recoverable. An impairment loss is recognized when the total estimated future undiscounted cash flows expected to result from the use of the asset and its eventual disposition are less than its carrying amount. Impairment, if any, is assessed using discounted cash flows or other appropriate measures of fair value. There were no impairment losses recorded during the years ended December 31, 2022, 2021 or 2020 .
Leases	Leases — The Company determines if an arrangement is a lease at inception. Operating leases are included in operating lease right-of-use (“ROU”) assets, operating lease liabilities, and long-term operating lease liabilities on the Company’s consolidated balance sheets. Operating lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. As most of the Company’s leases do not provide an implicit rate, the Company uses its incremental borrowing rate based on the information available at the lease commencement date in determining the present value of future payments. The operating lease ROU assets also include any lease payments made and exclude lease incentives and initial direct costs incurred. The Company’s lease terms may include options to extend the lease when it is reasonably certain that the Company will exercise that option. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. The Company has lease agreements with lease and non-lease components, which are accounted for as a single lease component.
Freight Costs	Freight Costs — The Company reflects the cost of shipping its products to customers as a cost of revenue. Reimbursements received from customers for freight costs are recognized as product revenue.
Research and Development	Research and Development — Costs to research, design, and develop the Company’s products are expensed as incurred and consist primarily of employee compensation, external contractor costs, and fees for the development of prototype products. Software development costs are capitalized beginning when a product’s technological feasibility has been established and ending when a product is available for general release to customers. Generally, the Company’s products are released soon after technological feasibility has been established. Costs incurred subsequent to achieving technological feasibility have not been significant and generally have been expensed as incurred. As of December 31, 2022 and 2021 , the net amount of capitalized software development costs were $ 515,000 and $ 303,000 , respectively, and are included in other current and long term assets in the accompanying consolidated balance sheets. The Company capitalizes certain costs for its internal-use software incurred during the application development stage. Costs related to preliminary project activities and post implementation activities are expensed as incurred. Internal-use software is amortized on a straight line basis over its estimated useful life, generally three years . The estimated useful life is determined based on management’s judgment on how long the core technology and functionality serves internal needs and the customer base. Management evaluates the useful lives of these assets on an annual basis and tests for impairment whenever events or changes in circumstances occur that could impact the recoverability of these assets. The Company recorded amortization expense related to software development costs of $ 45,000 , $ 55,000 and $ 78,000 for the years ended December 31, 2022, 2021 and 2020 , respectively. The Company capitalized software development costs of $ 103,000 and $ 84,000 for the year ended December 31, 2022 and 2021 , respectively.
Advertising Costs	Advertising Costs — The Company expenses advertising costs as incurred. Advertising costs were not significant for the years ended December 31, 2022, 2021 and 2020 .
Stock-based Compensation	Stock-based Compensation — The Company accounts for all stock-based payment awards, including employee stock options, restricted stock awards, and performance share units in accordance with ASC 718, Compensation-Stock Compensation (“ASC 718”). Under the fair value recognition provisions of ASC 718, stock-based compensation cost is measured at the grant date based on the fair value of the award. Compensation expense for all stock-based payment awards is recognized using the straight-line single-option approach. Employee stock options awards are valued under the single-option approach and amortized on a straight-line basis, net of estimated forfeitures. The value of the portion of the stock option award that is ultimately expected to vest is recognized as expense over the requisite service periods in the Company’s consolidated statements of comprehensive income (loss). See Note 10, Stock-Based Compensation , for further information regarding the Company’s stock-based compensation assumptions and expenses. The Company has elected to use the Black Scholes pricing model to estimate the fair value of its stock options, which incorporates various subjective assumptions including volatility, risk-free interest rate, expected life, and dividend yield to calculate the fair value of stock option awards. Since the Company has been publicly traded for many years, it utilizes its own historical volatility in valuing its stock option grants. The expected life of an award is based on historical experience, the terms and conditions of the stock awards granted to employees, as well as the potential effect from options that have not been exercised at the time. The assumptions used in calculating the fair value of stock-based payment awards represent management’s estimates. These estimates involve inherent uncertainties and the application of management’s judgment. If factors change and the Company uses different assumptions, its stock-based compensation expense could be materially different in the future. In addition, the Company estimates the expected forfeiture rate and recognizes expense only for those awards which are ultimately expected-to-vest shares. If the actual forfeiture rate is materially different from the Company’s estimate, the recorded stock-based compensation expense could be different. ASC 718 requires forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates.
Income Taxes	Income Taxes — The Company accounts for income taxes in accordance with ASC 740, Income Taxes (“ASC 740”), which requires the asset and liability approach for financial accounting and reporting of income taxes. Deferred income taxes reflect the recognition of future tax consequences of events that have been recognized in the Company’s financial statements or tax returns. The carrying value of net deferred tax assets reflects that the Company has been unable to generate sufficient taxable income in certain tax jurisdictions. A valuation allowance is provided to reduce the deferred tax asset to an amount that is more likely than not to be realized. The deferred tax assets are still available for the Company to use in the future to offset taxable income, which would result in the recognition of a tax benefit and a reduction in the Company’s effective tax rate. Actual operating results and the underlying amount and category of income in future years could render the Company’s current assumptions, judgments and estimates of the realizability of deferred tax assets inaccurate, which could have a material impact on its financial position or results of operations. The Company accounts for uncertain tax positions in accordance with ASC 740, which clarifies the accounting for uncertainty in income taxes recognized in an enterprise’s financial statements. It prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740 also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. Such changes in recognition or measurement might result in the recognition of a tax benefit or an additional charge to the tax provision in the period. The Company recognizes interest and penalties related to unrecognized tax benefits within the income tax expense line in the accompanying consolidated statement of comprehensive income (loss). Accrued interest and penalties are included within the related tax liability line in the consolidated balance sheets. See Note 8, Income Taxes , for further information regarding the Company’s tax disclosures.
Net Loss Per Share	Net Income (Loss) Per Share — Basic net income (loss) per share is based upon the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share is based upon the weighted average number of common shares and dilutive-potential common share equivalents outstanding during the period (using the treasury stock or if-converted method), if applicable. Dilutive-potential common share equivalents are excluded from the computation of net income (loss) per share in loss periods, as their effect would be antidilutive. See Note 11, Net Income (Loss) per Common Share , for further information regarding the Company’s computation of both basic and diluted net income (loss) per common share.
Comprehensive Loss	Comprehensive Income (Loss) — Comprehensive income (loss) for the years ended December 31, 2022, 2021 and 2020 has been disclosed within the consolidated statements of comprehensive income (loss). Other accumulated comprehensive income (loss) includes net foreign currency translation adjustments, which are excluded from consolidated net income (loss).
Foreign Currency Translation and Transactions	Foreign Currency Translation and Transactions — The functional currencies of the Company’s foreign subsidiaries are the local currencies, except for the Singapore subsidiary, which uses the U.S. dollar as its functional currency. For those subsidiaries whose functional currency is the local currency, the Company translates assets and liabilities to U.S. dollars using period-end exchange rates and translates revenues and expenses using average exchange rates during the period. Exchange gains and losses arising from translation of foreign entity financial statements are included as a component of other comprehensive income (loss) and gains and losses from transactions denominated in currencies other than the functional currency of the Company are included in the Company’s consolidated statements of comprehensive income (loss). The Company recognized net currency gains of $ 0.2 million in 2022 and net currency losses of $ 0.1 million and $ 0.1 million in 2021 and 2020, respectively.
Recent Accounting Pronouncements	Recent Accounting Pronouncements From time to time, new accounting pronouncements are issued by the Financial Accounting Standards Board (“FASB”) or other standard setting bodies that the Company adopts as of the specified effective date. Unless otherwise discussed, the Company does not believe that the impact of recently issued standards that are not yet effective will have a material impact on its financial position or results of operations upon adoption. In June 2016, the FASB issued Accounting Standards Update (“ASU”) No. 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”), which requires measurement and recognition of expected credit losses for financial assets held at the reporting date based on external information, or a combination of both relating to past events, current conditions, and reasonable and supportable forecasts. ASU 2016-13 replaces the existing incurred loss impairment model with a forward-looking expected credit loss model which will result in earlier recognition of credit losses. Subsequent to the issuance of ASU 2016-13, the FASB issued ASU 2018-19, Codification Improvement to Topic 326, Financial Instruments – Credit Losses , ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments – Credit Losses , Topic 815, Derivatives and Hedging , and Topic 825 , Financial Instruments , ASU 2019-05, Financial Instruments Credit Losses (Topic 326) Targeted Transition Relief , ASU 2016-13, the FASB issued ASU 2019-10 Financial Instruments-Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842), and ASU 2019-11 Codification Improvements to Topic 326, Financial Instruments-Credit Losses. The subsequent ASUs do not change the core principle of the guidance in ASU 2016-13. Instead, these amendments are intended to clarify and improve operability of certain topics included within ASU 2016-13. In February 2020, the FASB issued ASU 2020-02, which provides guidance regarding methodologies, documentation, and internal controls related to expected credit losses. The subsequent amendments will have the same effective date and transition requirements as ASU No. 2016-13. Early adoption is permitted. Topic 326 requires a modified retrospective approach by recording a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. The Company adopted this standard on January 1, 2022, and it did not have a material impact on the Company’s consolidated financial statements.

Revenue (Tables)

Revenue (Tables)	12 Months Ended
	Dec. 31, 2022
Revenue From Contract With Customer [Abstract]
Schedule of Performance Obligation	Performance When Performance Obligation is When Payment is How Standalone Selling Price is Hardware products When customer obtains control of the product (point-in-time) Within 30 - 60 days of shipment Observable in transactions without multiple performance obligations Software licenses When license is delivered to customer or made available for download, and the applicable license period has begun (point-in-time) Within 30 - 60 days of the beginning of license period Established pricing practices for software licenses bundled with software maintenance, which are separately observable in renewal transactions Subscriptions Ratably over the course of the subscription term (over time) In advance of subscription term Contractually stated or list price Professional services As services are performed and/or when contract is fulfilled (point-in-time) Within 30 - 60 days of delivery Observable in transactions without multiple performance obligations Software maintenance Ratably over the course of the support contract (over time) Within 30 - 60 days of the beginning of the contract period Observable in renewal transactions Extended hardware Ratably over the course of the support contract (over time) Within 30 - 60 days of the beginning of the contract period Observable in renewal transactions
Total Net Sales Based on Disaggregation Criteria	Total net sales based on the disaggregation criteria described above are as follows (in thousands): Year Ended December 31, 2022 2021 2020 Point-in- Over Time Total Point-in- Over Time Total Point-in- Over Time Total Americas $ 73,317 $ 3,482 $ 76,799 $ 66,162 $ 3,234 $ 69,396 $ 54,491 $ 3,811 $ 58,302 Europe and the Middle East 15,492 408 15,900 12,507 369 12,876 9,124 373 9,497 Asia-Pacific 20,216 — 20,216 21,497 — 21,497 19,121 — 19,121 Total $ 109,025 $ 3,890 $ 112,915 $ 100,166 $ 3,603 $ 103,769 $ 82,736 $ 4,184 $ 86,920
Changes in Deferred Revenue	Changes in deferred revenue during the years ended December 31, 2022 and 2021 were as follows (in thousands): Year Ended December 31, 2022 2021 Deferred revenue, beginning of period $ 2,433 $ 2,366 Deferral of revenue billed in current period, net of recognition 2,241 1,905 Recognition of revenue deferred in prior periods ( 2,019 ) ( 1,838 ) Deferred revenue, end of period $ 2,655 $ 2,433

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2022
Goodwill And Intangible Assets Disclosure [Abstract]
Summary of Activity in Goodwill	The following table summarizes the activity of goodwill (in thousands): Identity Premises Total Balance as of December 31, 2020 $ 3,554 $ 6,712 $ 10,266 Currency translation adjustment — 2 2 Balance as of December 31, 2021 3,554 6,714 10,268 Currency translation adjustment — ( 78 ) ( 78 ) Balance as of December 31, 2022 $ 3,554 $ 6,636 $ 10,190
Summary of Gross Carrying Amount and Accumulated Amortization for Intangible Assets Resulting from Acquisitions	The following table summarizes the gross carrying amount and accumulated amortization for intangible assets resulting from acquisitions (in thousands): Developed Customer Trademarks Technology Relationships Total Amortization period (in years) 5 10 - 12 4 - 12 Gross carrying amount as of December 31, 2022 $ 766 $ 9,093 $ 15,743 $ 25,602 Accumulated amortization ( 691 ) ( 6,666 ) ( 12,980 ) ( 20,337 ) Intangible assets, net as of December 31, 2022 $ 75 $ 2,427 $ 2,763 $ 5,265 Gross carrying amount as of December 31, 2021 $ 764 $ 9,127 $ 15,774 $ 25,665 Accumulated amortization ( 536 ) ( 6,219 ) ( 12,465 ) ( 19,220 ) Intangible assets, net as of December 31, 2021 $ 228 $ 2,908 $ 3,309 $ 6,445
Amortization Expense Included in Consolidated Statements of Comprehensive Income (Loss)	The following table summarizes the amortization expense included in the consolidated statements of comprehensive income (loss) (in thousands): Year Ended December 31, 2022 2021 2020 Cost of revenue $ 447 $ 453 $ 899 Selling and marketing 670 671 1,666 Total $ 1,117 $ 1,124 $ 2,565
Estimated Future Amortization Expense of Purchased Intangible Assets with Definite Lives	The estimated annual future amortization expense for purchased intangible assets with definite lives as of December 31, 2022 was as follows (in thousands): 2023 $ 1,030 2024 956 2025 956 2026 956 2027 956 Thereafter 411 Total $ 5,265

Balance Sheet Components (Table

Balance Sheet Components (Tables)	12 Months Ended
	Dec. 31, 2022
Statement Of Financial Position [Abstract]
Inventories	The Company’s inventories are stated at the lower of cost or market value. Inventories consist of (in thousands): December 31, 2022 2021 Raw materials $ 13,333 $ 7,182 Work-in-progress 55 — Finished goods 15,570 12,742 Total $ 28,958 $ 19,924
Property and Equipment, Net	Property and equipment, net consists of (in thousands): December 31, 2022 2021 Building and leasehold improvements $ 1,941 $ 1,304 Furniture, fixtures and office equipment 726 1,379 Plant and machinery 15,311 13,244 Purchased software 718 2,281 Total 18,696 18,208 Accumulated depreciation ( 11,977 ) ( 14,142 ) Property and equipment, net $ 6,719 $ 4,066
Other Accrued Expenses and Liabilities	Other accrued expenses and liabilities consist of (in thousands): December 31, 2022 2021 Accrued professional fees $ 574 $ 576 Accrued restructuring 24 294 Accrued warranties 345 377 Rental payments due to landlord — 922 Other accrued expenses 1,675 1,605 Total $ 2,618 $ 3,774

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income (Loss) before Income Tax Provision for Domestic and Non-U.S. Operations	Income (loss) before income tax provision for domestic and non-U.S. operations is as follows (in thousands): For the Year Ended December 31, 2022 2021 2020 Income (loss) from operations before income tax provision: U.S. $ ( 2,710 ) $ ( 1,189 ) $ ( 6,321 ) Foreign 2,419 2,837 1,289 Income (loss) from operations before income tax provision $ ( 291 ) $ 1,648 $ ( 5,032 )
Income Tax Provision	The income tax provision consisted of the following (in thousands): For the Year Ended December 31, 2022 2021 2020 Deferred: Federal $ — $ — $ — State — — — Foreign — — — $ — $ — $ — Current: Federal $ — $ — $ — State 3 ( 24 ) ( 15 ) Foreign 98 52 88 Total current 101 28 73 Total income tax provision $ 101 $ 28 $ 73
Significant Items Making up Deferred Tax Assets and Liabilities	Significant items making up deferred tax assets and liabilities are as follows (in thousands): December 31, 2022 2021 Deferred tax assets: Allowances not currently deductible for tax purposes $ 777 $ 978 Net operating loss carryforwards 41,730 44,068 Operating lease liabilities 1,018 312 General carryforwards 16,407 16,433 Stock-based compensation 1,471 1,487 Accrued and other 2,090 1,961 63,493 65,239 Less valuation allowance ( 59,996 ) ( 62,441 ) 3,497 2,798 Deferred tax liabilities: Depreciation and amortization ( 867 ) ( 925 ) Operating lease right-of-use assets ( 693 ) ( 10 ) State income taxes ( 1,937 ) ( 1,863 ) ( 3,497 ) ( 2,798 ) Net deferred tax asset $ — $ —
Income Tax Provision Reconciled to Amount Computed by Applying Statutory Federal Tax Rate to Income (Loss) Before Income Tax Provision	The income tax provision reconciled to the amount computed by applying the statutory federal tax rate to the income (loss) before income tax provision is as follows (in thousands): For the Year Ended December 31, 2022 2021 2020 Income tax provision (benefit) at statutory federal tax rate of 21 % $ ( 61 ) $ 345 $ ( 1,057 ) State taxes, net of federal benefit 2 ( 19 ) ( 12 ) Foreign taxes provisions provided for at rates other than U.S. statutory rate ( 410 ) ( 494 ) ( 202 ) Section 951(A) inclusion 428 523 — Stock options ( 218 ) ( 443 ) — Change in valuation allowance 274 700 1,432 Permanent differences 86 42 ( 76 ) PPP loan forgiveness — ( 619 ) — Other — ( 7 ) ( 12 ) Total provision for income taxes $ 101 $ 28 $ 73
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits	A reconciliation of the beginning and ending amount of unrecognized tax benefits with an impact on the Company’s consolidated balance sheets or statements of comprehensive income (loss) is as follows (in thousands): December 31, 2022 2021 Balance at beginning of period $ 2,276 $ 2,307 Additions based on tax positions related to the current year 1 1 Additions for tax positions of prior years 2 — Reductions in prior year tax positions — ( 32 ) Balance at end of period $ 2,279 $ 2,276
Summary of Net Deferred Tax Assets Valuation Allowance	The following table summarizes the Company’s net deferred tax assets valuation allowance activity (in thousands): Year Ended December 31, 2022 2021 2020 Balance at beginning of period $ 62,441 $ 62,699 $ 62,492 Increases in valuation allowance — 459 1,142 Decreases in valuation allowance ( 2,445 ) ( 717 ) ( 935 ) Balance at end of period $ 59,996 $ 62,441 $ 62,699

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)	12 Months Ended
	Dec. 31, 2022
Equity [Abstract]
Summary of Series B Preferred Stock and Accretion of Dividends	The following table summarizes Series B convertible preferred stock and the accretion of dividend activity for the years ended December 31, 2022 and 2021 (in thousands): Year Ended December 31, 2022 2021 Series B Convertible Preferred Stock: Balance at beginning of period 24,117 $ 22,969 Cumulative dividends on Series B convertible preferred stock 1,206 1,148 Balance at end of period $ 25,323 $ 24,117 Number of Common Shares Issuable Upon Conversion: Number of shares at beginning of period 6,029 5,742 Cumulative dividends on Series B convertible preferred stock 302 287 Number of shares at end of period 6,331 6,029
Summary of Outstanding Warrants Issued by Company	Below is the summary of outstanding warrants issued by the Company as of December 31, 2022: Warrant Type Number of Shares Weighted Issue Date Expiration Date April 21 Funds Warrants 275,000 $ 3.50 May 5, 2020 May 5, 2023
Summary of Common Stock Reserved for Future Issuance	Common Stock Reserved for Future Issuance Common stock reserved for future issuance as of December 31, 2022 was as follows: Exercise of outstanding stock options, vesting of restricted stock units ("RSU"), vesting of performance stock 1,495,944 Employee Stock Purchase Plan 293,888 Shares of common stock available for grant under the 2011 Plan 530,537 Warrants to purchase common stock 275,000 Shares of common stock issuable upon conversion of Series B convertible preferred stock 7,541,449 Total 10,136,818

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	12 Months Ended
	Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Summary of Stock Option Activity	The following is a summary of stock option activity for the year ended December 31, 2022: Number Average Exercise Weighted Average Aggregate Balance as of December 31, 2021 514,693 $ 5.11 4.11 $ 11,850,930 Granted — — — Cancelled or Expired ( 9,100 ) 8.47 — Exercised — — — Balance as of December 31, 2022 505,593 $ 5.05 3.17 $ 1,280,805 Vested or expected to vest as of December 31, 2022 505,593 $ 5.05 3.17 $ 1,280,805 Exercisable as of December 31, 2022 505,593 $ 5.05 3.17 $ 1,280,805
Summary Information about Stock Options Outstanding	The following table summarizes information about stock options outstanding as of December 31, 2022: Stock Options Outstanding Stock Options Exercisable Range of Exercise Prices Number Weighted Average Weighted Average Number Weighted Average $ 4.36 - $ 7.20 445,960 3.42 $ 4.37 445,960 $ 4.37 $ 7.50 - $ 11.25 59,100 1.29 10.17 59,100 10.17 $ 11.30 - $ 16.95 500 1.25 11.30 500 11.30 $ 19.70 - $ 29.55 33 0.62 19.70 33 19.70 $ 4.36 - $ 29.55 505,593 3.17 $ 5.05 505,593 $ 5.05
Summary of Stock Unit Activity	The following is a summary of RSU activity for the year ended December 31, 2022: Number Weighted Average Unvested as of December 31, 2021 485,729 $ 9.19 Granted 675,046 14.10 Vested ( 274,834 ) 9.01 Forfeited ( 66,756 ) 9.96 Unvested as of December 31, 2022 819,185 $ 13.23 RSUs vested but not released 131,166 $ 6.73
Stock-Based Compensation Expense Related to Stock Options, RSUs and PSUs	The following table summarizes stock-based compensation expense related to stock options, RSUs, and PSUs included in the consolidated statements of comprehensive income (loss) (in thousands): Year Ended December 31, 2022 2021 2020 Cost of revenue $ 192 $ 183 $ 160 Research and development 699 486 685 Selling and marketing 845 545 480 General and administrative 1,425 1,392 1,702 Total $ 3,161 $ 2,606 $ 3,027
Performance Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Summary of Stock Unit Activity	The following is a summary of PSU activity for the year ended December 31, 2022: Number Weighted Average Unvested as of December 31, 2021 175,000 $ 6.38 Granted 25,000 12.05 Vested ( 20,000 ) 6.38 Forfeited ( 140,000 ) 6.79 Unvested as of December 31, 2022 40,000 $ 8.51

Net Income (Loss) per Common _2

Net Income (Loss) per Common Share (Tables)	12 Months Ended
	Dec. 31, 2022
Earnings Per Share [Abstract]
Calculations for Basic and Diluted Net Income (Loss) Per Common Share	The calculations for basic and diluted net income (loss) per common share are as follows: Year Ended December 31, 2022 2021 2020 Basic net income (loss) per common share: Numerator: Net income (loss) $ ( 392 ) $ 1,620 $ ( 5,105 ) Less: accretion of Series B convertible preferred stock dividends ( 1,206 ) ( 1,148 ) ( 1,094 ) Net income (loss) available to common stockholders $ ( 1,598 ) $ 472 $ ( 6,199 ) Denominator: Weighted average common shares outstanding - basic 22,659 21,340 17,978 Net income (loss) per common share - basic $ ( 0.07 ) $ 0.02 $ ( 0.34 ) Diluted net income (loss) per common share: Numerator: Net income (loss) available to common stockholders $ ( 1,598 ) $ 472 $ ( 6,199 ) Plus: accretion of Series B convertible preferred stock dividends, if dilutive — — — Net income (loss) available to common stockholders $ ( 1,598 ) $ 472 $ ( 6,199 ) Denominator: Weighted average common shares outstanding - basic 22,659 21,340 17,978 Dilutive securities: Stock options, RSUs, and warrants — 927 — Weighted average common shares outstanding - diluted 22,659 22,267 17,978 Net income (loss) per common share - diluted $ ( 0.07 ) $ 0.02 $ ( 0.34 )
Common Stock Equivalents Excluded From Diluted Net Income (Loss) Per Share	The following common stock equivalents have been excluded from diluted net income (loss) per share for the fiscal years presented below because their inclusion would have been anti-dilutive (in thousands): December 31, 2022 2021 2020 Shares of common stock subject to outstanding RSUs 819 — 683 Shares of common stock subject to outstanding stock options 506 — 551 Shares of common stock subject to outstanding warrants 275 — 315 Shares of common stock issuable upon conversion of Series B 6,331 6,029 5,742 Total 7,931 6,029 7,291

Segment Reporting and Geograp_2

Segment Reporting and Geographic Information (Tables)	12 Months Ended
	Dec. 31, 2022
Segment Reporting [Abstract]
Information Regarding Net Revenue and Gross Profit by Segment	Net revenue and gross profit information by segment are as follows (in thousands): Year Ended December 31, 2022 2021 2020 Identity: Net revenue $ 67,422 $ 64,725 $ 52,742 Gross profit 15,153 15,670 14,781 Gross profit margin 22 % 24 % 28 % Premises: Net revenue 45,493 39,044 34,178 Gross profit 25,791 21,397 18,900 Gross profit margin 57 % 55 % 55 % Total: Net revenue 112,915 103,769 86,920 Gross profit 40,944 37,067 33,681 Gross profit margin 36 % 36 % 39 % Operating expenses: Research and development 9,916 8,673 9,781 Selling and marketing 20,730 17,033 17,270 General and administrative 10,429 11,891 8,623 Decrease in fair value of earnout liability — — ( 261 ) Restructuring and severance 202 817 1,716 Total operating expenses: 41,277 38,414 37,129 Loss from operations ( 333 ) ( 1,347 ) ( 3,448 ) Non-operating income (expense): Interest expense, net ( 143 ) ( 483 ) ( 1,462 ) Gain on forgiveness of Paycheck Protection Program note — 2,946 — Gain on investment 30 611 — Foreign currency gains (losses), net 155 ( 79 ) ( 122 ) Income (loss) before income tax provision $ ( 291 ) $ 1,648 $ ( 5,032 )
Information Regarding Net Revenue by Geographic Region	Geographic Information Geographic net revenue is based on the customer’s ship-to location. Information regarding net revenue by geographic region is as follows (in thousands): Year Ended December 31, 2022 2021 2020 Americas $ 76,799 $ 69,396 $ 58,302 Europe and the Middle East 15,900 12,876 9,497 Asia-Pacific 20,216 21,497 19,121 Total $ 112,915 $ 103,769 $ 86,920 As percentage of net revenue: Americas 68 % 67 % 67 % Europe and the Middle East 14 % 12 % 11 % Asia-Pacific 18 % 21 % 22 % Total 100 % 100 % 100 %
Long-Lived Assets by Geographic Location	Long-lived assets by geographic location as of December 31, 2022 and 2021 are as follows (in thousands): December 31, 2022 2021 Property and equipment, net: Americas $ 530 $ 545 Europe and the Middle East 458 334 Asia-Pacific 5,731 3,187 Total property and equipment, net $ 6,719 $ 4,066 Operating lease ROU assets: Americas $ 3,637 $ 1,344 Europe and the Middle East 384 135 Asia-Pacific 352 609 Total operating lease ROU assets $ 4,373 $ 2,088

Leases (Tables)

Leases (Tables)	12 Months Ended
	Dec. 31, 2022
Leases [Abstract]
Schedule of Reconciles Undiscounted Cash flows of Operating Lease Liabilities Recorded on the Consolidated Balance Sheets	The table below reconciles the undiscounted cash flows for the first five years and the total of the remaining years to the operating lease liabilities recorded on the consolidated balance sheets as of December 31, 2022 (in thousands): December 31, 2022 2023 $ 1,398 2024 1,222 2025 984 2026 765 2027 723 Thereafter — Total minimum lease payments 5,092 Less: amount of lease payments representing interest ( 536 ) Present value of future minimum lease payments 4,556 Less: current liabilities under operating leases ( 1,190 ) Long-term operating lease liabilities $ 3,366

Commitments and Contingencies (

Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2022
Commitments And Contingencies Disclosure [Abstract]
Summary of Principal Contractual Obligations, Excluding Operating Leases	The following table summarizes the Company’s principal contractual commitments, excluding operating leases, as of December 31, 2022 (in thousands): Purchase Other Total 2023 $ 61,366 $ 99 $ 61,465 2024 3,809 — 3,809 2025 4,005 — 4,005 Thereafter — — — Total $ 69,180 $ 99 $ 69,279
Summary of Warranty Accrual Activity	The following table summarizes the Company’s warranty accrual activity during the years ended December 31, 2022 and 2021 (in thousands): Year Ended December 31, 2022 2021 Balance at beginning of period $ 377 $ 321 Charged (credited) to costs and expenses ( 24 ) 59 Cost of warranty claims ( 8 ) ( 3 ) Balance at end of period $ 345 $ 377

Significant Accounting Polici_3

Significant Accounting Policies and Recent Accounting Pronouncements - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2022 USD ($) Customer Supplier	Dec. 31, 2021 USD ($) Customer Supplier	Dec. 31, 2020 USD ($)
Accounting Policies [Line Items]
Restricted cash	$ 487,000	$ 1,254,000
Concentration Risk, Customer	No customer accounted for 10% or more of net revenue for the years ended December 31, 2022 , 2021 or 2020, respectively. No customer accounted for 10% or more of the Company’s accounts receivable, net balance as of December 31, 2022 or 2021.
Number of major customer represented stated percentage of total net revenue | Customer	0	0
Number of customers who accounted for 10% or more accounts receivable balance | Customer	0	0
Concentration Risk, Supplier	One supplier accounted for 11% of the Company's accounts payable as of December 31, 2022, while no supplier accounted for 10% or more of the Company’s accounts payable balance as of December 31, 2021.
Number of supplier who accounted for 10% or more accounts payable balance | Supplier	1	0
Impairment of goodwill	$ 0	$ 0	$ 0
Impairment losses on long lived assets	0	0	0
Capitalized software development costs, net	515,000	303,000
Amortization expense	1,117,000	1,124,000	2,565,000
Software development costs capitalized in period	103,000,000	84,000,000
Foreign currency translation and transactions gains (losses)	$ 200,000	(100,000)	100,000
Accounts Payable | Supplier Concentration Risk | Product
Accounting Policies [Line Items]
Concentration risk percentage	11%
Minimum
Accounting Policies [Line Items]
Estimated useful lives of intangible asset	4 years
Maximum
Accounting Policies [Line Items]
Estimated useful lives of intangible asset	12 years
Furniture, Fixtures and Office Equipment | Minimum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	3 years
Furniture, Fixtures and Office Equipment | Maximum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	10 years
Plant and Machinery | Minimum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	5 years
Plant and Machinery | Maximum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	7 years
Automobiles
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	5 years
Purchased Software
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	3 years
Research and Development
Accounting Policies [Line Items]
Estimated useful lives of intangible asset	3 years
Amortization expense	$ 45,000	55,000	$ 78,000
Stand by Letter of Credit
Accounting Policies [Line Items]
Restricted cash	$ 500,000	$ 1,300,000

Revenue - Additional Informatio

Revenue - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Revenue From Contract With Customer [Line Items]
Remaining performance obligations	$ 0.9
Revenue, practical expedient, unsatisfied performance obligations non disclosure	true
Revenue, practical expedient, time value of money for contracts consideration	false
Minimum
Revenue From Contract With Customer [Line Items]
Payment period from contract inception	30 days
Maximum
Revenue From Contract With Customer [Line Items]
Payment period from contract inception	60 days
Software Licenses | Minimum
Revenue From Contract With Customer [Line Items]
Contract period	1 year
Software Licenses | Maximum
Revenue From Contract With Customer [Line Items]
Contract period	3 years
Subscriptions | Minimum
Revenue From Contract With Customer [Line Items]
Contract period	1 month
Subscriptions | Maximum
Revenue From Contract With Customer [Line Items]
Contract period	6 years
Software Maintenance and Support Services | Minimum
Revenue From Contract With Customer [Line Items]
Contract period	1 year
Software Maintenance and Support Services | Maximum
Revenue From Contract With Customer [Line Items]
Contract period	3 years
Extended Hardware Warranties | Minimum
Revenue From Contract With Customer [Line Items]
Contract period	1 year
Extended Hardware Warranties | Maximum
Revenue From Contract With Customer [Line Items]
Contract period	2 years

Schedule of Performance Obligat

Schedule of Performance Obligation (Detail)	12 Months Ended
	Dec. 31, 2022
Hardware Products
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Performance Obligation	Hardware products
When Performance Obligation is Typically Satisfied	When customer obtains control of the product (point-in-time)
When Payment is Typically Due	Within 30-60 days of shipment
How Standalone Selling Price is Typically Estimated	Observable in transactions without multiple performance obligations
Software Licenses
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Performance Obligation	Software licenses
When Performance Obligation is Typically Satisfied	When license is delivered to customer or made available for download, and the applicable license period has begun (point-in-time)
When Payment is Typically Due	Within 30-60 days of the beginning of license period
How Standalone Selling Price is Typically Estimated	Established pricing practices for software licenses bundled with software maintenance, which are separately observable in renewal transactions
Subscriptions
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Performance Obligation	Subscriptions
When Performance Obligation is Typically Satisfied	Ratably over the course of the subscription term (over time)
When Payment is Typically Due	In advance of subscription term
How Standalone Selling Price is Typically Estimated	Contractually stated or list price
Professional Services
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Performance Obligation	Professional services
When Performance Obligation is Typically Satisfied	As services are performed and/or when contract is fulfilled (point-in-time)
When Payment is Typically Due	Within 30-60 days of delivery
How Standalone Selling Price is Typically Estimated	Observable in transactions without multiple performance obligations
Software Maintenance and Support Services
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Performance Obligation	Software maintenance and support services
When Performance Obligation is Typically Satisfied	Ratably over the course of the support contract (over time)
When Payment is Typically Due	Within 30-60 days of the beginning of the contract period
How Standalone Selling Price is Typically Estimated	Observable in renewal transactions
Extended Hardware Warranties
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Performance Obligation	Extended hardware warranties
When Performance Obligation is Typically Satisfied	Ratably over the course of the support contract (over time)
When Payment is Typically Due	Within 30-60 days of the beginning of the contract period
How Standalone Selling Price is Typically Estimated	Observable in renewal transactions

Schedule of Performance Oblig_2

Schedule of Performance Obligation (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2022
Hardware Products | Minimum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	30 days
Hardware Products | Maximum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	60 days
Software Licenses | Minimum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	30 days
Software Licenses | Maximum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	60 days
Professional Services | Minimum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	30 days
Professional Services | Maximum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	60 days
Software Maintenance and Support Services | Minimum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	30 days
Software Maintenance and Support Services | Maximum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	60 days
Extended Hardware Warranties | Minimum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	30 days
Extended Hardware Warranties | Maximum
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Payment period, after shipment	60 days

Total Net Sales Based on Disagg

Total Net Sales Based on Disaggregation Criteria (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Net revenue	$ 112,915	$ 103,769	$ 86,920
Point-in-Time
Disaggregation Of Revenue [Line Items]
Net revenue	109,025	100,166	82,736
Over Time
Disaggregation Of Revenue [Line Items]
Net revenue	3,890	3,603	4,184
Americas
Disaggregation Of Revenue [Line Items]
Net revenue	76,799	69,396	58,302
Americas | Point-in-Time
Disaggregation Of Revenue [Line Items]
Net revenue	73,317	66,162	54,491
Americas | Over Time
Disaggregation Of Revenue [Line Items]
Net revenue	3,482	3,234	3,811
Europe and the Middle East
Disaggregation Of Revenue [Line Items]
Net revenue	15,900	12,876	9,497
Europe and the Middle East | Point-in-Time
Disaggregation Of Revenue [Line Items]
Net revenue	15,492	12,507	9,124
Europe and the Middle East | Over Time
Disaggregation Of Revenue [Line Items]
Net revenue	408	369	373
Asia-Pacific
Disaggregation Of Revenue [Line Items]
Net revenue	20,216	21,497	19,121
Asia-Pacific | Point-in-Time
Disaggregation Of Revenue [Line Items]
Net revenue	$ 20,216	$ 21,497	$ 19,121

Changes in Deferred Revenue (De

Changes in Deferred Revenue (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenue From Contract With Customer [Abstract]
Deferred revenue	$ 2,433	$ 2,366
Deferral of revenue billed in current period, net of recognition	2,241	1,905
Recognition of revenue deferred in prior periods	(2,019)	(1,838)
Deferred revenue	$ 2,655	$ 2,433

Revenue - Unsatisfied Performan

Revenue - Unsatisfied Performance Obligation - Additional Information (Detail)	Dec. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-01-01
Revenue From Contract With Customer [Line Items]
Unsatisfied performance obligations, expected to recognize	39%
Unsatisfied performance obligations, expected to recognize, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-01-01
Revenue From Contract With Customer [Line Items]
Unsatisfied performance obligations, expected to recognize	26%
Unsatisfied performance obligations, expected to recognize, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-01-01
Revenue From Contract With Customer [Line Items]
Unsatisfied performance obligations, expected to recognize	35%

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Proceeds from investment	$ 30,000	$ 611,000
Carrying value of investment	0
Fair Value Measurements, Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Liability measured and recognized at fair value	0	0
Fair Value Measurements, Non-recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Liability measured and recognized at fair value	0	0
Fair Value Measurements, Non-recurring | Fair Value, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Privately-held investments measured at fair value	$ 348,000	$ 348,000

Summary of Activity in Goodwill

Summary of Activity in Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Beginning Balance	$ 10,268	$ 10,266
Currency translation adjustment	(78)	2
Ending Balance	10,190	10,268
Identity
Goodwill [Line Items]
Beginning Balance	3,554	3,554
Currency translation adjustment	0	0
Ending Balance	3,554	3,554
Premises
Goodwill [Line Items]
Beginning Balance	6,714	6,712
Currency translation adjustment	(78)	2
Ending Balance	$ 6,636	$ 6,714

Goodwill and Intangible Asset_2

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract]
Impairment of goodwill	$ 0	$ 0	$ 0
Impairment of intangible assets	$ 0	$ 0	$ 0

Summary of Gross Carrying Amoun

Summary of Gross Carrying Amount and Accumulated Amortization for Intangible Assets Resulting from Acquisitions (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 25,602	$ 25,665
Accumulated amortization	(20,337)	(19,220)
Intangible assets, net	$ 5,265	6,445
Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization period (in years)	4 years
Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization period (in years)	12 years
Trademarks
Acquired Finite Lived Intangible Assets [Line Items]
Amortization period (in years)	5 years
Gross carrying amount	$ 766	764
Accumulated amortization	(691)	(536)
Intangible assets, net	75	228
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	9,093	9,127
Accumulated amortization	(6,666)	(6,219)
Intangible assets, net	$ 2,427	2,908
Developed Technology | Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization period (in years)	10 years
Developed Technology | Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization period (in years)	12 years
Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 15,743	15,774
Accumulated amortization	(12,980)	(12,465)
Intangible assets, net	$ 2,763	$ 3,309
Customer Relationships | Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization period (in years)	4 years
Customer Relationships | Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Amortization period (in years)	12 years

Amortization Expense Included i

Amortization Expense Included in Consolidated Statements of Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Amortization expense	$ 1,117	$ 1,124	$ 2,565
Cost of revenue
Finite Lived Intangible Assets [Line Items]
Amortization expense	447	453	899
Selling and Marketing Expense
Finite Lived Intangible Assets [Line Items]
Amortization expense	$ 670	$ 671	$ 1,666

Estimated Future Amortization E

Estimated Future Amortization Expense of Purchased Intangible Assets with Definite Lives (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract]
2023	$ 1,030
2024	956
2025	956
2026	956
2027	956
Thereafter	411
Intangible assets, net	$ 5,265	$ 6,445

Inventories (Detail)

Inventories (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Raw materials	$ 13,333	$ 7,182
Work-in-progress	55
Finished goods	15,570	12,742
Total	$ 28,958	$ 19,924

Property and Equipment, Net (De

Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 18,696	$ 18,208
Accumulated depreciation	(11,977)	(14,142)
Property and equipment, net	6,719	4,066
Building and Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,941	1,304
Furniture, Fixtures and Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	726	1,379
Plant and Machinery
Property Plant And Equipment [Line Items]
Property and equipment, gross	15,311	13,244
Purchased Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 718	$ 2,281

Balance Sheet Components - Addi

Balance Sheet Components - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Abstract]
Depreciation expense	$ 1.2	$ 0.8	$ 0.7

Other Accrued Expenses and Liab

Other Accrued Expenses and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accrued Liabilities And Other Liabilities Current [Abstract]
Accrued professional fees	$ 574	$ 576
Accrued restructuring	24	294
Accrued warranties	345	377
Rental payments due to landlord		922
Other accrued expenses	1,675	1,605
Total	$ 2,618	$ 3,774

Financial Liabilities - Additio

Financial Liabilities - Additional Information (Detail) - Revolving Loan Facility - USD ($)	Feb. 08, 2023	Apr. 14, 2022	Dec. 31, 2022
Amended Loan and Security Agreements | Prime Rate
Debt Instrument [Line Items]
Percentage of interest rate		0.25%
Amended Loan and Security Agreements | East West Bank
Debt Instrument [Line Items]
Borrowing capacity under credit facility		$ 20,000,000
Loan facility payable date		Feb. 08, 2023
Loan and Security Agreements
Debt Instrument [Line Items]
Outstanding borrowing capacity under credit facility			$ 0
Fourth Amendment Loan And Security Agreements | East West Bank | Subsequent Event
Debt Instrument [Line Items]
Loan facility payable date	Feb. 08, 2025

Income (Loss) before Income Tax

Income (Loss) before Income Tax Provision for Domestic and Non-U.S. Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
U.S.	$ (2,710)	$ (1,189)	$ (6,321)
Foreign	2,419	2,837	1,289
Income (loss) before income tax provision	$ (291)	$ 1,648	$ (5,032)

Income Tax Provision (Detail)

Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
State	$ 3	$ (24)	$ (15)
Foreign	98	52	88
Total current	101	28	73
Total income tax provision	$ 101	$ 28	$ 73

Significant Items Making up Def

Significant Items Making up Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Components Of Deferred Tax Assets And Liabilities [Abstract]
Allowances not currently deductible for tax purposes	$ 777	$ 978
Net operating loss carryforwards	41,730	44,068
Operating lease liabilities	1,018	312
General carryforwards	16,407	16,433
Stock-based compensation	1,471	1,487
Accrued and other	2,090	1,961
Deferred Tax Assets, Gross, Total	63,493	65,239
Less valuation allowance	(59,996)	(62,441)	$ (62,699)	$ (62,492)
Deferred Tax Assets, Net of Valuation Allowance, Total	3,497	2,798
Depreciation and amortization	(867)	(925)
Operating lease right-of-use assets	(693)	(10)
State income taxes	(1,937)	(1,863)
Deferred Tax Liabilities, Gross, Total	$ (3,497)	$ (2,798)

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Line Items]
Valuation allowance	$ 59,996	$ 62,441	$ 62,699	$ 62,492
GILTI income	$ 2,000	2,500
Operating loss carryforwards, expiration end year	2042
Income tax benefit, PPP loan forgiveness	$ (6,200)
Liabilities for unrecognized tax benefits	2,300	2,300
Penalties accrued related to unrecognized tax benefits	2,000	(3,000)	(5,000)
Interest accrued related to unrecognized tax benefits	1,000	(9,000)	$ (21,000)
Recognized total liability for penalties	4,000	3,000
Recognized total liability for interest	$ 7,000	$ 5,000
Research and experimental costs amortization period	5 years
Federal
Income Taxes [Line Items]
Operating loss carryforwards	$ 121,000
State
Income Taxes [Line Items]
Operating loss carryforwards	$ 50,300
Research and experimental costs amortization period	5 years
Foreign
Income Taxes [Line Items]
Operating loss carryforwards	$ 52,500
Research and experimental costs amortization period	15 years

Income Tax Provision Reconciled

Income Tax Provision Reconciled to Amount Computed by Applying Statutory Federal Tax Rate to Income (Loss) Before Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract]
Income tax provision (benefit) at statutory federal tax rate of 21%	$ (61)	$ 345	$ (1,057)
State taxes, net of federal benefit	2	(19)	(12)
Foreign taxes provisions provided for at rates other than U.S statutory rate	(410)	(494)	(202)
Section 951(A) inclusion	428	523
Stock options	(218)	(443)
Change in valuation allowance	274	700	1,432
Permanent differences	86	42	(76)
PPP loan forgiveness		(619)
Other		(7)	(12)
Total income tax provision	$ 101	$ 28	$ 73

Income Tax Provision Reconcil_2

Income Tax Provision Reconciled to Amount Computed by Applying Statutory Federal Tax Rate to Income (Loss) Before Income Tax Provision (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Statutory federal tax rate of income tax provision	21%	21%	21%

Reconciliation of Beginning and

Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Disclosure Reconciliation Of Beginning And Ending Amount Of Unrecognized Tax Benefits [Abstract]
Balance at beginning of period	$ 2,276	$ 2,307
Additions based on tax positions related to the current year	1	1
Additions for tax positions of prior years	2
Reductions in prior year tax positions		(32)
Balance at end of period	$ 2,279	$ 2,276

Summary of Net Deferred Tax Ass

Summary of Net Deferred Tax Assets Valuation Allowance (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Balance at beginning of period	$ 62,441	$ 62,699	$ 62,492
Increases in valuation allowance		459	1,142
Decreases in valuation allowance	(2,445)	(717)	(935)
Balance at end of period	$ 59,996	$ 62,441	$ 62,699

Stockholders' Equity - Addition

Stockholders' Equity - Additional Information (Detail) - USD ($)				12 Months Ended
	Apr. 07, 2021	May 30, 2018	Dec. 20, 2017	Dec. 31, 2022	Dec. 31, 2021	May 05, 2020
Stockholders Equity [Line Items]
Preferred stock, shares authorized				10,000,000
Preferred stock, par value				$ 0.001
Preferred stock, outstanding				0	0
Proceeds from the sale of common stock, net of issuance costs					$ 37,627,000
April 21 Funds Warrants
Stockholders Equity [Line Items]
Warrants issued to purchase common stock						275,000
Warrant exercise price				$ 3.50
Warrants outstanding term						3 years
Common Stock
Stockholders Equity [Line Items]
Issuance of stock (in shares)	3,779,342
Offering price	$ 10.65
Proceeds from the sale of common stock, net of issuance costs	$ 37,600,000
Offering related expenses	$ 2,600,000
Maximum | Common Stock
Stockholders Equity [Line Items]
Shares issued, price per share				$ 4
Series A Participating Preferred Stock
Stockholders Equity [Line Items]
Preferred stock, shares authorized				40,000
Preferred stock, par value				$ 0.001
Preferred stock, outstanding				0	0
Series B Preferred Stock
Stockholders Equity [Line Items]
Preferred stock, shares authorized				5,000,000
Preferred stock, par value				$ 0.001
Series B Convertible Preferred Stock
Stockholders Equity [Line Items]
Preferred stock, shares authorized				5,000,000	5,000,000
Preferred stock, par value			$ 0.001	$ 0.001	$ 0.001
Preferred stock, outstanding				5,000,000	5,000,000
Preferred stock, issued				5,000,000	5,000,000
Shares issued, price per share			$ 4
Total purchase price payable			$ 20,000,000
Convertible preferred stock, terms of conversion				Each Share shall be convertible into the Company’s common stock (i) following the sixth (6th) anniversary of the initial closing of the Private Placement or (ii) if earlier, during the thirty (30) day period following the last trading day of any period of three (3) or more consecutive trading days that the closing market price of the Company’s common stock exceeds $10.00. Each Share is convertible at the option of the holder of the Shares into such number of shares of the Company’s common stock
Convertible preferred stock, threshold closing market price of entity stock			$ 10
Percentage of beneficially ownership limitation in excess of outstanding common stock immediately after effect to applicable conversion			19.90%
Minimum conversion price				$ 3.27
Dividend payment terms				Each share of Series B convertible preferred stock is entitled to a cumulative annual dividend of 5% for the first six (6) years following the issuance of such share and 3% for each year thereafter, with the Company retaining the option to settle each year’s dividend after the tenth (10th) year in cash. The dividends accrue and are payable in kind upon such time as the shares convert into the Company’s common stock.
Cumulative annual dividend for first six years				5%
Cumulative annual dividend for each year after sixth year				3%
Price per share distributable to stockholders				$ 4
Series B Convertible Preferred Stock | Common Stock
Stockholders Equity [Line Items]
Preferred stock shares convertible into common stock				6,330,762
Series B Convertible Preferred Stock | Private Placement at Initial Closing of Transaction
Stockholders Equity [Line Items]
Issuance of stock (in shares)			3,000,000
Shares issued, price per share			$ 4
Total purchase price payable			$ 12,000,000
Series B Convertible Preferred Stock | Private Placement at Second Closing of Transaction
Stockholders Equity [Line Items]
Issuance of stock (in shares)		2,000,000	2,000,000
Shares issued, price per share		$ 4	$ 4
Total purchase price payable		$ 8,000,000
Series B Convertible Preferred Stock | Maximum
Stockholders Equity [Line Items]
Preferred stock, issued			5,000,000

Summary of Series B Convertible

Summary of Series B Convertible Preferred Stock and Accretion of Dividend (Detail) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stockholders Equity [Line Items]
Dividends earned on Series B preferred stock	$ 1,206	$ 1,148	$ 1,094
Series B Convertible Preferred Stock
Stockholders Equity [Line Items]
Balance at beginning of period	24,117	22,969
Dividends earned on Series B preferred stock	1,206	1,148
Balance at end of period	$ 25,323	$ 24,117	$ 22,969
Number of shares at beginning of period	6,029	5,742
Cumulative dividends on Series B convertible preferred stock	302	287
Number of shares at end of period	6,331	6,029	5,742

Summary of Outstanding Warrants

Summary of Outstanding Warrants Issued by Company (Detail) - April 21 Funds Warrants	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Class Of Warrant Or Right [Line Items]
Number of Shares Issuable Upon Exercise | shares	275,000
Weighted Average Exercise Price | $ / shares	$ 3.50
Issue Date	May 05, 2020
Expiration Date	May 05, 2023

Summary of Common Stock Reserve

Summary of Common Stock Reserved for Future Issuance (Detail)	Dec. 31, 2022 shares
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Common stock reserved for future issuance	10,136,818
Exercise of Outstanding Stock Options, Vesting of Restricted Stock Units ("RSU"), Vesting of Performance Stock Units ("PSU") and Issuance of RSUs Vested but not Released
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Common stock reserved for future issuance	1,495,944
Employee Stock Purchase Plan
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Common stock reserved for future issuance	293,888
Shares of Common Stock Available for Grant Under the 2011 Plan
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Common stock reserved for future issuance	530,537
Warrants to Purchase Common Stock
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Common stock reserved for future issuance	275,000
Shares of Common Stock Issuable Upon Conversion of Series B Convertible Preferred Stock
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Common stock reserved for future issuance	7,541,449

Stock-Based Compensation - Addi

Stock-Based Compensation - Additional Information (Detail) - USD ($)	12 Months Ended			139 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Jun. 06, 2011
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance	10,136,818			10,136,818
Unrecognized compensation expense related to stock options	$ 0			$ 0
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense	$ 8,700,000			8,700,000
Unrecognized stock-based compensation expense, weighted average period of recognition	3 years 3 months 18 days
Granted	675,046
Grant fair value	$ 14.10
Repurchase of common stock (in shares)	67,723	82,351	171,641
Performance Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense	$ 200,000			$ 200,000
Unrecognized stock-based compensation expense, weighted average period of recognition	1 year
Granted	25,000
Grant fair value	$ 12.05
Realized tax benefit	$ 0
2011 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance					400,000
Number of shares available for grant					859,956
Increase in shares of common stock authorized for issuance				4,400,000
2007 Plan and 2010 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for grant					459,956

Summary of Activity for Stock O

Summary of Activity for Stock Options (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Stock Options Number Outstanding
Beginning Balance	514,693
Cancelled or Expired	(9,100)
Ending Balance	505,593	514,693
Vested or expected to vest as of December 31, 2022	505,593
Exercisable as of December 31, 2022	505,593
Stock Options Average Exercise Price per share
Beginning Balance	$ 5.11
Cancelled or Expired	8.47
Ending Balance	5.05	$ 5.11
Vested or expected to vest as of December 31, 2022	5.05
Exercisable as of December 31, 2022	$ 5.05
Stock Options Remaining Contractual Life (in years)
Weighted Average Remaining Contractual Term (Years)	3 years 2 months 1 day	4 years 1 month 9 days
Vested or expected to vest as of December 31, 2022	3 years 2 months 1 day
Exercisable as of December 31, 2022	3 years 2 months 1 day
Stock Options Average Intrinsic Value
Beginning Balance	$ 11,850,930
Ending Balance	1,280,805	$ 11,850,930
Vested or expected to vest as of December 31, 2022	1,280,805
Exercisable as of December 31, 2022	$ 1,280,805

Summary Information about Stock

Summary Information about Stock Options Outstanding (Detail)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
$4.36 - $7.20
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	$ 4.36
Range of Exercise Prices, upper limit	$ 7.20
Stock Options Number Outstanding | shares	445,960
Stock Options Outstanding Weighted Average Remaining Contractual Life (Years)	3 years 5 months 1 day
Stock Options Outstanding Weighted Average Exercise Price	$ 4.37
Stock Options Number Exercisable | shares	445,960
Stock Options Exercisable Weighted Average Exercise Price	$ 4.37
$7.50 - $11.25
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	7.50
Range of Exercise Prices, upper limit	$ 11.25
Stock Options Number Outstanding | shares	59,100
Stock Options Outstanding Weighted Average Remaining Contractual Life (Years)	1 year 3 months 14 days
Stock Options Outstanding Weighted Average Exercise Price	$ 10.17
Stock Options Number Exercisable | shares	59,100
Stock Options Exercisable Weighted Average Exercise Price	$ 10.17
$11.30 - $16.95
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	11.30
Range of Exercise Prices, upper limit	$ 16.95
Stock Options Number Outstanding | shares	500
Stock Options Outstanding Weighted Average Remaining Contractual Life (Years)	1 year 3 months
Stock Options Outstanding Weighted Average Exercise Price	$ 11.30
Stock Options Number Exercisable | shares	500
Stock Options Exercisable Weighted Average Exercise Price	$ 11.30
$19.70 - $29.55
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	19.70
Range of Exercise Prices, upper limit	$ 29.55
Stock Options Number Outstanding | shares	33
Stock Options Outstanding Weighted Average Remaining Contractual Life (Years)	7 months 13 days
Stock Options Outstanding Weighted Average Exercise Price	$ 19.70
Stock Options Number Exercisable | shares	33
Stock Options Exercisable Weighted Average Exercise Price	$ 19.70
$4.36 - $29.55
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, lower limit	4.36
Range of Exercise Prices, upper limit	$ 29.55
Stock Options Number Outstanding | shares	505,593
Stock Options Outstanding Weighted Average Remaining Contractual Life (Years)	3 years 2 months 1 day
Stock Options Outstanding Weighted Average Exercise Price	$ 5.05
Stock Options Number Exercisable | shares	505,593
Stock Options Exercisable Weighted Average Exercise Price	$ 5.05

Summary of RSU Activity (Detail

Summary of RSU Activity (Detail) - Restricted Stock Units	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Beginning Balance, Unvested, Number Outstanding | shares	485,729
Granted, Number Outstanding | shares	675,046
Vested, Number Outstanding | shares	(274,834)
Forfeited, Number Outstanding | shares	(66,756)
Ending Balance, Unvested, Number Outstanding | shares	819,185
RSUs vested but not released, Number Outstanding | shares	131,166
Beginning Balance, Unvested, Weighted Average Fair Value | $ / shares	$ 9.19
Granted, Weighted Average Fair Value | $ / shares	14.10
Vested, Weighted Average Fair Value | $ / shares	9.01
Forfeited, Weighted Average Fair Value | $ / shares	9.96
Ending Balance, Unvested, Weighted Average Fair Value | $ / shares	13.23
RSUs vested but not released, Weighted Average Fair Value | $ / shares	$ 6.73

Summary of PSU Activity (Detail

Summary of PSU Activity (Detail) - Performance Stock Units	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Beginning Balance, Unvested, Number Outstanding | shares	175,000
Granted, Number Outstanding | shares	25,000
Vested, Number Outstanding | shares	(20,000)
Forfeited, Number Outstanding | shares	(140,000)
Ending Balance, Unvested, Number Outstanding | shares	40,000
Beginning Balance, Unvested, Weighted Average Fair Value | $ / shares	$ 6.38
Granted, Weighted Average Fair Value | $ / shares	12.05
Vested, Weighted Average Fair Value | $ / shares	6.38
Forfeited, Weighted Average Fair Value | $ / shares	6.79
Ending Balance, Unvested, Weighted Average Fair Value | $ / shares	$ 8.51

Stock-Based Compensation Expens

Stock-Based Compensation Expense Related to Stock Options, RSUs and PSUs (Detail) - Stock Options and Restricted Stock Units - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-Based Compensation Expense	$ 3,161	$ 2,606	$ 3,027
Cost of revenue
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-Based Compensation Expense	192	183	160
Research and Development Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-Based Compensation Expense	699	486	685
Selling and Marketing Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-Based Compensation Expense	845	545	480
General and Administrative Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-Based Compensation Expense	$ 1,425	$ 1,392	$ 1,702

Calculations for Basic and Dilu

Calculations for Basic and Diluted Net Income (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net income (loss)	$ (392)	$ 1,620	$ (5,105)
Less: accretion of Series B convertible preferred stock dividends	(1,206)	(1,148)	(1,094)
Net income (loss) available to common stockholders	$ (1,598)	$ 472	$ (6,199)
Denominator:
Weighted average common shares outstanding - basic	22,659	21,340	17,978
Net income (loss) per common share - basic	$ (0.07)	$ 0.02	$ (0.34)
Dilutive securities:
Stock options, RSUs, and warrants		927
Weighted average common shares outstanding - diluted	22,659	22,267	17,978
Net income (loss) per common share - diluted	$ (0.07)	$ 0.02	$ (0.34)
Diluted net income (loss) per common share:
Net income (loss) available to common stockholders	$ (1,598)	$ 472	$ (6,199)
Net income (loss) available to common stockholders	$ (1,598)	$ 472	$ (6,199)

Common Stock Equivalents Exclud

Common Stock Equivalents Excluded From Diluted Net Income (Loss) Per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	7,931	6,029	7,291
Restricted Stock Units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	819		683
Stock Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	506		551
Warrants
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	275		315
Shares of Common Stock Issuable Upon Conversion of Series B Convertible Preferred Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net income (loss) per share inclusion anti-dilutive	6,331	6,029	5,742

Information Regarding Net Reven

Information Regarding Net Revenue and Gross Profit by Segment (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net revenue	$ 112,915,000	$ 103,769,000	$ 86,920,000
Gross profit	$ 40,944,000	$ 37,067,000	$ 33,681,000
Gross profit margin	36%	36%	39%
Operating expenses:
Research and development	$ 9,916,000	$ 8,673,000	$ 9,781,000
Selling and marketing	20,730,000	17,033,000	17,270,000
General and administrative	10,429,000	11,891,000	8,623,000
Decrease in fair value of earnout liability			(261,000)
Restructuring and severance	202,000	817,000	1,716,000
Total operating expenses	41,277,000	38,414,000	37,129,000
Loss from operations	(333,000)	(1,347,000)	(3,448,000)
Non-operating income (expense):
Interest expense, net	(143,000)	(483,000)	(1,462,000)
Gain on forgiveness of Paycheck Protection Program note		2,946,000
Gain on investment	30,000	611,000
Foreign currency gains (losses), net	155,000	(79,000)	(122,000)
Income (loss) before income tax provision	(291,000)	1,648,000	(5,032,000)
Identity
Segment Reporting Information [Line Items]
Net revenue	67,422,000	64,725,000	52,742,000
Gross profit	$ 15,153,000	$ 15,670,000	$ 14,781,000
Gross profit margin	22%	24%	28%
Premises
Segment Reporting Information [Line Items]
Net revenue	$ 45,493,000	$ 39,044,000	$ 34,178,000
Gross profit	$ 25,791,000	$ 21,397,000	$ 18,900,000
Gross profit margin	57%	55%	55%

Information Regarding Net Rev_2

Information Regarding Net Revenue by Geographic Region (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net revenue	$ 112,915	$ 103,769	$ 86,920
Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	100%	100%	100%
Americas
Segment Reporting Information [Line Items]
Net revenue	$ 76,799	$ 69,396	$ 58,302
Americas | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	68%	67%	67%
Europe and the Middle East
Segment Reporting Information [Line Items]
Net revenue	$ 15,900	$ 12,876	$ 9,497
Europe and the Middle East | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	14%	12%	11%
Asia-Pacific
Segment Reporting Information [Line Items]
Net revenue	$ 20,216	$ 21,497	$ 19,121
Asia-Pacific | Geographic Concentration Risk | Revenue from Contract with Customer
Segment Reporting Information [Line Items]
Percentage of net revenue	18%	21%	22%

Long-Lived Assets by Geographic

Long-Lived Assets by Geographic Location (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Property and equipment, net	$ 6,719	$ 4,066
Operating lease ROU assets	4,373	2,088
Americas
Segment Reporting Information [Line Items]
Property and equipment, net	530	545
Operating lease ROU assets	3,637	1,344
Europe and the Middle East
Segment Reporting Information [Line Items]
Property and equipment, net	458	334
Operating lease ROU assets	384	135
Asia-Pacific
Segment Reporting Information [Line Items]
Property and equipment, net	5,731	3,187
Operating lease ROU assets	$ 352	$ 609

Restructuring and Severance - A

Restructuring and Severance - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Cost And Reserve [Line Items]
Restructuring and severance expenses	$ 202,000	$ 817,000	$ 1,716,000
Net credit representing difference between amounts accrued and the settlement amount	151,000
3VR
Restructuring Cost And Reserve [Line Items]
Restructuring and severance expenses		817,000	1,716,000
Facility Rental | 3VR
Restructuring Cost And Reserve [Line Items]
Restructuring and severance expenses		521,000	1,341,000
Severance | 3VR
Restructuring Cost And Reserve [Line Items]
Restructuring and severance expenses		296,000	375,000
Severance
Restructuring Cost And Reserve [Line Items]
Restructuring and severance expenses	$ 353,000
Impairment of ROU Operating Lease Asset | 3VR
Restructuring Cost And Reserve [Line Items]
Restructuring and severance expenses		$ 281,000	$ 1,296,000

Leases - Additional Information

Leases - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee Lease Description [Line Items]
Total rent expense	$ 1.4	$ 1.3	$ 1.5
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Weighted average remaining operating lease term	2 years 9 months 18 days
Weighted average discount rate of operating lease	6.30%
Operating lease liabilities, cash paid	$ 1.4	$ 1.4	$ 2.1
Minimum
Lessee Lease Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee Lease Description [Line Items]
Remaining lease term	4 years
Operating leases, options to extend leases term	5 years

Leases - Schedule of Reconciles

Leases - Schedule of Reconciles Undiscounted Cash flows of Operating Lease Liabilities Recorded on the Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
2023	$ 1,398
2024	1,222
2025	984
2026	765
2027	723
Total minimum lease payments	5,092
Less: amount of lease payments representing interest	(536)
Present value of future minimum lease payments	4,556
Less: current liabilities under operating leases	(1,190)	$ (1,269)
Long-term operating lease liabilities	$ 3,366	$ 938

Summary of Principal Contractua

Summary of Principal Contractual Obligations, Excluding Operating Leases (Detail) $ in Thousands	Dec. 31, 2022 USD ($)
Purchase Commitments
2023	$ 61,366
2024	3,809
2025	4,005
Total	69,180
Other Contractual Commitments
2023	99
Total	99
Total Commitments
2023	61,465
2024	3,809
2025	4,005
Total	$ 69,279

Summary of Warranty Accrual Act

Summary of Warranty Accrual Activity (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Balance at beginning of period	$ 377	$ 321
Charged (credited) to costs and expenses	(24)	59
Cost of warranty claims	(8)	(3)
Balance at end of period	$ 345	$ 377

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2022
Minimum
Commitment And Contingencies [Line Items]
Term of warranties on certain product sales	12 months
Maximum
Commitment And Contingencies [Line Items]
Term of warranties on certain product sales	36 months