Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Provision (Benefit) for Income Taxes

The provision (benefit) for income taxes for the years ended December 31, 2022, 2021 and 2020 consists of the following:

	2022		2021		2020
Current tax expense (benefit):
Federal	$	98	$	(97)	$	(729)
State	1,582		609		86
Foreign	14,082		7,046		6,963
	15,762		7,558		6,320
Deferred income tax expense (benefit):
Federal	(4,096)		3,466		(12,253)
State	(1,636)		1,449		(1,173)
Foreign	(310)		(1,910)		(808)
	(6,042)		3,005		(14,234)
Provision (benefit) for income taxes	$	9,720	$	10,563	$	(7,914)

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation between income taxes computed at the statutory federal rate and the provision (benefit) for income taxes for the years ended December 31, 2022, 2021 and 2020 follows:

	2022		2021		2020
Tax provision at statutory rate based on income before income taxes	21.0	%	21.0	%	21.0	%
Stock-based compensation	1.5		(9.4)		(267.7)
Federal research credit	2.4		(2.3)		(124.2)
Valuation allowance	2.5		(2.2)		49.7
Settlement of taxing authority examinations	—		—		(122.9)
Non-deductible premium on extinguishment and change in fair value of convertible notes	(32.2)		—		—
Non-deductible/non-taxable items	(2.9)		0.8		28.6
US tax on worldwide earnings at different rates	(1.8)		(0.4)		(123.7)
Foreign income taxes	(1.8)		3.1		79.9
State income taxes, net of federal tax benefit	(1.4)		3.7		(24.5)
Other, net	(1.0)		0.1		(10.1)
	(13.7)	%	14.4	%	(493.9)	%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of the significant temporary differences which comprise the deferred income tax assets and liabilities at December 31, 2022 and 2021 are as follows:

	2022		2021
Assets:
Inventory	$	2,939	$	4,694
Net operating losses	12,721		18,383
Capitalized research and development	11,402		4,173
Deferred compensation	3,012		2,563
Accounts receivable	3,580		3,147
Compensation and benefits	8,723		6,583
Accrued pension	2,530		3,930
Research and development credit	16,785		15,542
Interest limitation	9,116		—
Convertible notes hedge	36,204		4,869
Lease liabilities	2,735		3,573
Other	4,134		5,741
Less: valuation allowances	(543)		(786)
	113,338		72,412
Liabilities:
Goodwill and intangible assets	152,155		106,065
Depreciation	2,373		2,546
State taxes	11,733		11,833
Unremitted foreign earnings	1,573		2,449
Convertible notes debt discount	—		4,915
Lease right-of-use assets	2,579		3,484
	170,413		131,292
Net liability	$	(57,075)	$	(58,880)

Schedule of Income (Loss) before Income Tax

Income (loss) before income taxes consists of the following U.S. and foreign income (loss):

	2022		2021		2020
U.S. income (loss)	$	(96,114)	$	45,260	$	(16,026)
Foreign income	25,252		27,845		17,629
Total income (loss)	$	(70,862)	$	73,105	$	1,603

Schedule of Unrecognized Tax Benefits Rollforward

The following table summarizes the activity related to our unrecognized tax benefits for the years ending December 31,:

	2022		2021		2020
Balance as of January 1,	$	200	$	200	$	2,170
Increases for positions taken in current periods	—		—		—
Decreases in unrecorded tax positions related to settlement with the taxing authorities	—		—		(1,970)
Decreases in unrecorded tax positions related to lapse of statute of limitations	—		—		—
Balance as of December 31,	$	200	$	200	$	200