Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock [Member]	Common Stock [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
Balance (in shares) at Dec. 31, 2022	0	250,000	0	2,691,000
Balance at Dec. 31, 2022	$ 0	$ 250	$ 0	$ 27	$ 0	$ 16,347	$ 0	$ (370)	$ (30)	$ 11,826	$ (30)	$ 28,080
Net income		0		0		0		0		681		681
Foreign currency translation adjustment		$ 0		$ 0		0		40		0		40
Stock option exercises (in shares)		0		10,000
Stock option exercises		$ 0		$ 0		35		0		0		35
Compensation on stock-based awards		$ 0		$ 0		99		0		0		99
Balance (in shares) at Mar. 31, 2023		250,000		2,701,000
Balance at Mar. 31, 2023		$ 250		$ 27		16,481		(330)		12,477		28,905
Balance (in shares) at Dec. 31, 2023		250,000		2,740,000
Balance at Dec. 31, 2023		$ 250		$ 27		16,929		(532)		18,670		35,344
Net income		0		0		0		0		765		765
Foreign currency translation adjustment		0		0		0		(183)		0		$ (183)
Stock option exercises (in shares)												(0)
Compensation on stock-based awards		$ 0		$ 0		80		0		0		$ 80
Issuance for stock-based awards (in shares)		0		15,000
Issuance for stock-based awards		$ 0		$ 0		0		0		0		0
Balance (in shares) at Mar. 31, 2024		250,000		2,755,000
Balance at Mar. 31, 2024		$ 250		$ 27		$ 17,009		$ (715)		$ 19,435		$ 36,006