Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Loss before income taxes from U.S. and foreign operations were as follows:

	Year Ended December 31,
	2021		2020		2019
U.S.	$	(20,285)	$	(44,163)	$	(40,985)
Foreign	2,084		1,506		1,388
Total loss before income taxes	$	(18,201)	$	(42,657)	$	(39,597)

Schedule of Components of Income Tax Expense (Benefit)

Total income tax expense included in the Consolidated Statements of Operations is comprised of the following:

	Year Ended December 31,
	2021		2020		2019
Current:
Federal	$	—	$	—	$	—
State	138		59		66
Foreign	1,147		781		735
Total current	$	1,285	$	840	$	801
Deferred:
Federal	$	(103)	$	81	$	(6)
State	45		32		12
Foreign	75		(42)		(14)
Total deferred	17		71		(8)
Total income tax expense	$	1,302	$	911	$	793

Schedule of Effective Income Tax Rate Reconciliation

The following table reconciles our benefit of income taxes at the statutory rate to the effective tax rate, using a U.S. federal statutory tax rate of 21%:

	Year Ended December 31,
	2021		2020		2019
Tax benefit at federal statutory rate	$	(3,836)	$	(8,957)	$	(8,316)
State and local taxes, net of federal benefit	(239)		72		65
Foreign tax rate differential	207		136		98
Stock-based compensation	(22,071)		4,001		2,602
Unrealized loss on warrant liability	3,150		—		—
Nondeductible/nontaxable items	473		149		395
Unrecognized tax positions	(40)		119		257
Change in valuation allowance	21,969		5,578		5,564
GILTI	—		199		270
162(m) limitation	4,927		—		—
Warrant exercise	(3,419)		—		—
Other	181		(386)		(142)
Total income tax expense	$	1,302	$	911	$	793

Schedule of Deferred Tax Assets and Liabilities

The components of deferred tax assets and liabilities are as follows:

	December 31,
	2021		2020
Deferred tax assets:
Accounts receivable	$	957	$	737
Accrued expenses	154		602
Net operating loss carryforwards	44,049		23,779
Warrant liability	—		3,276
Stock-based compensation	5,513		1,573
Rent payable	499		629
Tax credit carryforwards	70		—
Other	570		121
Gross deferred tax assets	$	51,812	$	30,717
Deferred tax liability
Depreciation and amortization	$	(9,226)	$	(9,896)
Gross deferred tax liability	(9,226)		(9,896)
Less: valuation allowance	(42,919)		(20,950)
Total net deferred tax liability	$	(333)	$	(129)

Schedule of Operating Loss Carryforwards

As of December 31, 2021, the Company had federal net operating loss (“NOL”) carryforwards, which will begin to expire on various dates from 2033 through 2037, and state and local NOL carryforwards, which will begin to expire on various dates from 2022 through 2041.

	NOL Carryforward
	Total		1-3 Years		3-5 Years		More than 5 Years		Unlimited
Federal	$	192,055	$	—	$	—	$	47,617	$	144,438
State and local	270,350		—		1,005		230,524		38,821
Total	$	462,405	$	—	$	1,005	$	278,141	$	183,259

Schedule of Valuation Allowance

The valuation allowance activity for the periods indicated is as follows:

	December 31,
	2021		2020
Balance as of the beginning of period	$	(20,950)	$	(15,372)
Additions charged to expense	(21,969)		(5,578)
Balance as of the end of period	$	(42,919)	$	(20,950)

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	Year Ended December 31,
	2021		2020		2019
Balance of unrecognized tax benefits at beginning of year	$	822	$	752	$	520
Additions based on tax positions related to the current period	—		70		340
Reductions for tax positions of prior periods	(101)		—		(108)
Balance of unrecognized tax benefits at end of year	$	721	$	822	$	752