Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance as of December 31, 2022 (in shares) at Dec. 31, 2021	13,115,341
Balance as of December 31, 2022 at Dec. 31, 2021	$ 132,000	$ 0	$ 62,488,000	$ (869,000)	$ 61,751,000
Net income			1,522,000	0	1,522,000
Common stock repurchased and retired (in shares)	(170,000)
Common stock repurchased and retired	$ (2,000)	(55,000)	(699,000)	0	(756,000)
Stock-based compensation expense		55,000		0	55,000
Other comprehensive income (loss)- foreign currency translation gain (loss)	$ 0	0	0	(153,000)	(153,000)
Balance as of March 31, 2023 (in shares) at Mar. 31, 2022	12,945,341
Balance as of March 31, 2023 at Mar. 31, 2022	$ 130,000	0	63,311,000	(1,022,000)	$ 62,419,000
Balance as of December 31, 2022 (in shares) at Dec. 31, 2022	12,226,306				12,226,306
Balance as of December 31, 2022 at Dec. 31, 2022	$ 123,000	0	62,124,000	(1,489,000)	$ 60,758,000	[1]
Net income			552,000	0	552,000
Common stock repurchased and retired (in shares)	(200,000)
Common stock repurchased and retired	$ (2,000)	(22,000)	(809,000)	0	(833,000)
Stock-based compensation expense		22,000		0	$ 22,000
Options exercised (in shares)	109,250				109,250
Options exercised	$ 1,000			0	$ 350,000
Other comprehensive income (loss)- foreign currency translation gain (loss)	$ 0	0	0	137,000	$ 137,000
Balance as of March 31, 2023 (in shares) at Mar. 31, 2023	12,135,556				12,135,556
Balance as of March 31, 2023 at Mar. 31, 2023	$ 122,000	$ 0	$ 62,216,000	$ (1,352,000)	$ 60,986,000

[1] The condensed consolidated balance sheet as of December 31, 2022, has been prepared using information from the audited consolidated balance sheet as of that date.