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Income Taxes - Total Income Tax Expense Applying U.S. Federal Income Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Computed tax expense at statutory federal rates	$ 2,162	$ 7,553	$ 5,619
Increase (decrease) in taxes resulting from:
State taxes, net of federal income tax benefit	756	1,493	1,485
Unrecognized tax benefits	(585)	(1,441)	(1,783)
Bargain purchase gain on business acquisition	0	0	(35)
Income tax credits	(720)	(1,342)	(1,206)
Foreign tax rate differential	1,025	785	262
Stock based compensation	219	55	208
Global intangible low-taxed income	685	0	162
Change in valuation allowance	1,376	379	3,304
Return to provision	158	(693)	(651)
Nondeductible / (deductible) expenses	(327)	989	(103)
Gross receipts taxes	425	602	567
IP migration deferred tax asset	(2,455)	0	0
Other	59	181	337
Total	$ 2,778	$ 8,561	$ 8,166

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