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	59,375
Exercise of stock options	$ 0	$ 70	0	0	70
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)	0	34,614
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	0
Stock-based compensation	0	115	0	0	115
Net loss	0	0	0	(1,513)	(1,513)
Foreign currency translation, net of tax	0	0	(48)	0	(48)
Cash settlement of performance stock units	$ 0	$ (137)	0	0	(137)
Balance (in shares) at Jun. 30, 2022	0	20,468,395
Balance at Jun. 30, 2022	$ 0	$ 172,445	(1,072)	(133,761)	37,612
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
Repurchase of common stock (in shares)					(731,004)
Balance (in shares) at Jun. 30, 2023	0	19,843,845
Balance at Jun. 30, 2023	$ 0	$ 172,002	(1,062)	(136,437)	$ 34,503
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
Exercise of stock options (in shares)	0	5,208
Exercise of stock options	$ 0	$ 5	0	0	5
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	40	0	0	40
Net loss	0	0	0	(625)	(625)
Foreign currency translation, net of tax	0	0	(51)	0	(51)
Cash settlement of performance stock units	$ 0	$ 0	0	0	0
Balance (in shares) at Jun. 30, 2022	0	20,468,395
Balance at Jun. 30, 2022	$ 0	$ 172,445	(1,072)	(133,761)	37,612
Balance (in shares) at Dec. 31, 2022	0	20,337,906
Balance at Dec. 31, 2022	$ 0	$ 172,558	(1,052)	(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	33,919
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	$ 0
Repurchase of common stock (in shares)	0	(552,147)			(552,147)
Repurchase of common stock	$ 0	$ (659)	0	0	$ (659)
Stock-based compensation	0	78	0	0	78
Net loss	0	0	0	(331)	(331)
Foreign currency translation, net of tax	$ 0	$ 0	(10)	0	(10)
Balance (in shares) at Jun. 30, 2023	0	19,843,845
Balance at Jun. 30, 2023	$ 0	$ 172,002	(1,062)	(136,437)	34,503
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
Exercise of stock options (in shares)	0	0
Exercise of stock options	$ 0	$ 0	0	0	0
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)	0	16,959
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	0
Repurchase of common stock (in shares)	0	(248,509)
Repurchase of common stock	$ 0	$ (293)	0	0	(293)
Stock-based compensation	0	63	0	0	63
Net loss	0	0	0	(260)	(260)
Foreign currency translation, net of tax	$ 0	$ 0	(5)	0	(5)
Balance (in shares) at Jun. 30, 2023	0	19,843,845
Balance at Jun. 30, 2023	$ 0	$ 172,002	$ (1,062)	$ (136,437)	$ 34,503