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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Tax benefit at statutory rate	$ (4,533)	$ (3,147)	$ (3,114)
Increase (reduction) in income taxes resulting from:
Valuation allowance change	9,964	4,779	1,566
Foreign income taxes	2,969	415	1,138
Nondeductible executive compensation	989	878	1,075
Equity compensation	872	472	(477)
Net change in uncertain tax positions	652	527	762
State income taxes, net of federal benefit	281	484	73
Nondeductible entertainment expenses	262	117	65
Foreign interest disallowance	0	151	307
Foreign deferred items	0	(112)	53
Foreign derived intangible income deduction	(501)	(133)	(144)
Research and development credit	(800)	(961)	(959)
Provision to return adjustments	(937)	336	63
Other	(114)	402	(401)
Income tax expense	$ 9,104	$ 4,208	$ 7

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