Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax

The Company’s income (loss) before provision for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2021		2020		2019
U.S.	$	(356)	$	(25,793)	$	(13,037)
Foreign	3,741		2,386		774
Income (loss) before income taxes	$	3,385	$	(23,407)	$	(12,263)

Schedule of Components of Income Tax Expense (Benefit)

The components of the provision for income taxes are as follows (in thousands):

	Year Ended December 31,
	2021		2020		2019
Current:
Federal	$	—	$	—	$	—
State	(87)		(53)		101
Foreign	1,512		747		(76)
Total Current	1,425		694		25
Deferred:
Federal	2		2		2
State	1		1		1
Foreign	(105)		(227)		57
Total Deferred	(102)		(224)		60
Tax provision	$	1,323	$	470	$	85

Schedule of Deferred Tax Assets and Liabilities

The Company’s net deferred tax assets consist of the following (in thousands):

	December 31,
	2021		2020
Net operating loss carryforwards	$	18,274	$	18,270
Stock-based compensation	3,160		869
Other accruals and reserves	2,863		3,670
Credits	13,634		12,653
Accrued warranty	939		976
Depreciation and amortization	2,226		2,191
Other	977		979
Operating lease liability	3,784		4,311
Deferred tax asset before valuation allowance	45,857		43,919
Valuation allowance	(40,485)		(38,321)
Deferred tax asset after valuation allowance	5,372		5,598
Deferred contract acquisition costs	(990)		(803)
Goodwill	(124)		(110)
Right of use asset	(3,480)		(4,042)
Net deferred tax asset (liability)	$	778	$	643

Schedule of Effective Income Tax Rate Reconciliation

The differences between the U.S. federal statutory income tax rates to the Company’s effective tax rate are as follows:

	Year Ended December 31,
	2021		2020		2019
U.S. federal statutory income tax rate	21.00	%	21.00	%	21.00	%
State tax rate	(2.55)		2.77		2.82
Meals and entertainment	9.28		(0.65)		(2.83)
Permanent differences	1.11		(2.87)		(2.58)
Stock-based compensation	(13.08)		(1.07)		3.78
Extinguishment of PPP loan	(44.59)		—		—
Excess compensation	7.88		—		—
Foreign rate differential	17.03		(1.05)		(0.34)
Other	(0.08)		0.15		(0.33)
General business credit	(17.95)		2.74		8.14
Valuation allowance	72.82		(25.51)		(38.60)
Change in prior year reserves	—		0.40		2.53
Deferred true-up	(11.76)		2.08		5.71
Effective tax rate	39.11	%	(2.01)	%	(0.70)	%

Schedule of Unrecognized Tax Benefits Roll Forward

The following table summarizes the activity related to the Company’s gross unrecognized tax benefits, excluding related interest and penalties, in December 31, 2019 to December 31, 2021 (in thousands):

	Year Ended December 31,
	2021		2020		2019
Balance at beginning of year	$	1,864	$	1,426	$	1,563
Decreases related to prior year tax positions	(37)		(32)		(291)
Increases related to prior year tax positions	—		—		25
Increases related to current year tax positions	919		470		129
Balance at end of year	$	2,746	$	1,864	$	1,426