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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

The domestic and foreign components of income before incomes taxes were as follows (in thousands):

						Years Ended December 31,
						2022						2021						2020
Domestic						$	51,442					$	70,776					$	33,777
Foreign						2,600						1,878						507
						$	54,042					$	72,654					$	34,284

Schedule of Components of Income Tax Expense (Benefit)

Income taxes consisted of the following (in thousands):

						Years Ended December 31,
						2022						2021						2020
Current:
Federal						$	3,671					$	—					$	—
State						6,555						2,818						285
Foreign						874						438						507
Current income tax						11,100						3,256						792
Deferred:
Federal						6,336						(157,355)						—
State						(4,372)						(11,631)						—
Foreign						(32)						6						8
Deferred income tax						1,932						(168,980)						8
						$	13,032					$	(165,724)					$	800

Schedule of Effective Income Tax Rate Reconciliation

The differences between the statutory and effective tax rates, expressed as a percentage of net income before income taxes, were as follows:

						Years Ended December 31,
						2022						2021						2020
Federal statutory rate						21.0		%				21.0		%				21.0		%
Impact of state taxes						1.4						(15.6)						0.1
Foreign operations						—						(0.2)						0.6
R&D tax credits						(7.4)						1.4						(4.8)
Foreign income inclusion						1.0						—						—
Stock-based compensation						—						(12.8)						(4.1)
Other permanent items						(0.2)						(0.3)						0.6
Tax true-up						—						(0.2)						(0.4)
Valuation allowance						(4.0)						(208.3)						(48.1)
Net operating loss expiration / attribute expiration						5.5						(13.1)						37.4
Base erosion anti-abuse tax						6.8						—						—
						24.1		%				(228.1)		%				2.3		%

Schedule of Deferred Tax Assets and Liabilities

The significant components of the Company’s deferred tax assets were as follows (in thousands):

						December 31,
						2022						2021
Deferred tax assets:
Net operating loss carryforwards						$	44,189					$	82,672
Tax credit carryforwards						56,717						52,538
Accruals and reserves						11,679						10,302
Deferred revenue						13,156						11,351
Stock-based compensation						7,417						4,921
Capitalized R&D						67,932						38,842
Gross deferred tax assets						201,090						200,626
Valuation allowance						(29,914)						(29,236)
Total deferred tax assets						171,176						171,390
Deferred tax liabilities:
Fixed assets						(2,648)						(1,511)
Intangible assets						(1,497)						(917)
Total deferred tax liabilities						(4,145)						(2,428)
						$	167,031					$	168,962

Unrecognized Tax Benefits Activity

The following table reconciles the Company’s unrecognized tax benefits (in thousands):

						Years Ended December 31,
						2022						2021
Balance at beginning of year						$	25,992					$	23,516
Reduction for tax positions related to prior year						(905)						(1,427)
Additions for tax positions related to prior year						1,232						1,947
Additions for tax positions related to current year						2,896						1,956
Balance at end of year						$	29,215					$	25,992

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.

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