Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2021	0	20,374,406
Balance at Dec. 31, 2021	$ 0	$ 172,397	$ (1,024)	$ (132,248)	$ 39,125
Exercise of stock options (in shares)	0	54,167
Exercise of stock options	$ 0	$ 65	0	0	65
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)	0	17,307
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	0
Stock-based compensation	0	75	0	0	75
Net loss	0	0	0	(888)	(888)
Foreign currency translation, net of tax	0	0	3	0	3
Cash settlement of performance stock units	$ 0	$ (137)	0	0	(137)
Balance (in shares) at Mar. 31, 2022	0	20,445,880
Balance at Mar. 31, 2022	$ 0	$ 172,400	(1,021)	(133,136)	38,243
Balance (in shares) at Dec. 31, 2022	0	20,337,906
Balance at Dec. 31, 2022	$ 0	$ 172,558	(1,053)	(136,106)	$ 35,399
Exercise of stock options (in shares)	0	24,167			24,167
Exercise of stock options	$ 0	$ 25	0	0	$ 25
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)	0	16,960
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	$ 0
Repurchase of common stock (in shares)	0	(303,638)			(303,638)
Repurchase of common stock	$ 0	$ (366)	0	0	$ (366)
Stock-based compensation	0	15	0	0	15
Net loss	0	0	0	(71)	(71)
Foreign currency translation, net of tax	$ 0	$ 0	(4)	0	(4)
Balance (in shares) at Mar. 31, 2023	0	20,075,395
Balance at Mar. 31, 2023	$ 0	$ 172,232	$ (1,057)	$ (136,177)	$ 34,998