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 DECEMBER 31, 2021 at Dec. 31, 2021		$ 250		$ 27		$ 15,962		$ 56		$ 9,816		$ 26,111
Net Income		0		0		0		0		138		138
Foreign currency translation adjustment		0		0		0		5		0		5
Stock option exercises						33				0		33
Compensation on stock-based awards		0		0		48		0		0		48
BALANCE MARCH 31, 2022 at Mar. 31, 2022		250		27		16,043		61		9,954		26,335
BALANCE DECEMBER 31, 2021 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						35						35
Compensation on stock-based awards		0		0		99		0		0		99
BALANCE MARCH 31, 2022 at Mar. 31, 2023		$ 250		$ 27		$ 16,481		$ (330)		$ 12,477		$ 28,905