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Total Income Tax Expense Applying U.S. Federal Income Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Computed tax expense at statutory federal rates	$ 7,553	$ 5,619	$ 3,874
Increase (decrease) in taxes resulting from:
State taxes, net of federal income tax benefit	1,493	1,485	559
Unrecognized tax benefits	(1,441)	(1,783)	(2,092)
Bargain purchase gain on business acquisition	0	(35)	(978)
Income tax credits	(1,342)	(1,206)	(812)
Foreign tax rate differential	785	262	2,145
Stock based compensation	55	208	377
Global intangible low-taxed income	0	162	0
Change in valuation allowance	379	3,304	0
Return to provision	(693)	(651)	71
Nondeductible / (deductible) expenses	989	103	(111)
Gross receipts taxes	602	567	0
Other	181	337	48
Total	$ 8,561	$ 8,166	$ 3,080

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Amount of current and deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current and deferred national tax expense (benefit) for non-US (United States of America) jurisdiction.

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