Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
BALANCE at Dec. 31, 2020	$ 250	$ 27	$ 15,816	$ (37)	$ 2,662	$ 18,718
Net Income (Loss)	0	0	0	0	(1,554)	(1,554)
Foreign currency translation adjustment	0	0	0	(34)	0	(34)
Compensation on stock-based awards	0	0	21	0	0	21
Net Income (Loss)	0	0	0	0	(1,554)	(1,554)
BALANCE at Mar. 31, 2021	250	27	15,837	(71)	1,108	17,151
BALANCE at Dec. 31, 2021	250	27	15,962	56	9,816	26,111
Net Income (Loss)	0	0	0	0	138	138
Foreign currency translation adjustment	0	0	0	5	0	5
Compensation on stock-based awards	0	0	48	0	0	48
Net Income (Loss)	0	0	0	0	138	138
Stock option exercises	0	0	33	0	0	33
BALANCE at Mar. 31, 2022	$ 250	$ 27	$ 16,043	$ 61	$ 9,954	$ 26,335