Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Components of Income (Loss) before Income Taxes

The components of income before income taxes for the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands):

	2021		2020		2019
Domestic	$	20,301	$	18,176	$	1,994
Foreign	(2,236)		1,092		2,177
Total income before income taxes	$	18,065	$	19,268	$	4,171

Schedule of Provision for Income Tax Expense (Benefit)

The provision for income tax (benefit) expense included the following for the years ended December 31, 2021, 2020 and 2019 (in thousands):

	2021		2020		2019
Current:
Federal	$	—	$	(10)	$	(10)
State	268		460		—
Foreign	59		32		168
Total	327		482		158
Deferred:
Federal	(26,962)		—		—
State	(2,424)		3		(18)
Foreign	(91)		(42)		549
Total	(29,477)		(39)		531
Total tax (benefit) expense	$	(29,150)	$	443	$	689

Components of Net Deferred Tax Assets (Liabilities)

The components of the Company's net deferred tax assets as of December 31, 2021 and 2020 were as follows (in thousands): 

	2021		2020
Deferred tax assets:
Domestic tax loss carryforwards	$	25,950	$	27,651
Foreign tax loss carryforwards	9,970		7,596
Stock-based compensation	2,938		3,092
Tax credits	5,145		4,345
Operating lease liability	1,197		2,277
Other assets	2,750		3,010
Valuation allowance	(5,639)		(35,393)
Total deferred tax assets	42,311		12,578
Deferred tax liabilities:
Fixed assets	1,128		1,000
Intangible assets	1,147		1,395
Capitalized contract costs	6,825		5,242
Right of use assets	762		1,840
Other liabilities	114		21
Total deferred tax liabilities	9,976		9,498
Net deferred tax asset	$	32,335	$	3,080

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the difference between the effective income tax rate and the statutory federal income tax rate for the years ended December 31, 2021, 2020 and 2019 is as follows:

	2021		2020		2019
U.S. statutory federal rate	21.0	%	21.0	%	21.0	%
Increase (decrease) resulting from:
State taxes, net of federal benefit	4.6		3.9		3.7
Nondeductible expenses and excludable income	(0.5)		(0.4)		1.6
Effect of foreign tax rate differential	(0.3)		(0.2)		2.3
Uncertain tax positions	1.7		1.8		4.9
Research and development credit	(5.9)		(4.8)		(24.8)
Change in valuation allowance	(165.0)		(17.0)		(12.0)
Expiration of NOL carryforwards	0.8		0.7		4.0
Stock-based compensation	(15.6)		(0.9)		6.4
Change in statutory tax rates	(3.1)		(2.3)		4.0
Other	0.9		0.5		5.4
Effective tax rate	(161.4)	%	2.3	%	16.5	%

Schedule of Unrecognized Tax Benefits Roll Forward

The following table shows the changes in unrecognized tax benefits in accordance with ASC 740-10 for the years ended December 31, 2021, 2020 and 2019 (in thousands):

	2021		2020		2019
Balance as of January 1,	$	1,923	$	1,601	$	1,408
Increases related to current tax positions	275		281		183
Increases related to prior year tax positions	19		150		20
Decreases related to prior year tax positions	(33)		(109)		(10)
Balance as of December 31,	$	2,184	$	1,923	$	1,601