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	67,500
Exercise of stock options	$ 0	$ 79	0	0	79
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)	0	51,921
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	0
Stock-based compensation	0	298	0	0	298
Net loss	0	0	0	(2,638)	(2,638)
Foreign currency translation, net of tax	$ 0	$ 0	(62)	0	(62)
Balance (in shares) at Sep. 30, 2022	0	20,493,827
Balance at Sep. 30, 2022	$ 0	$ 172,637	(1,086)	(134,886)	36,665
Cash settlement of performance stock units	$ 0	$ (137)	0	0	(137)
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
Balance (in shares) at Sep. 30, 2023	0	19,870,527
Balance at Sep. 30, 2023	$ 0	$ 172,158	(1,070)	(137,570)	$ 33,518
Repurchase of common stock (in shares)					(731,004)
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
Exercise of stock options (in shares)	0	8,125
Exercise of stock options	$ 0	$ 8	0	0	8
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	184	0	0	184
Net loss	0	0	0	(1,125)	(1,125)
Foreign currency translation, net of tax	$ 0	$ 0	(14)	0	(14)
Balance (in shares) at Sep. 30, 2022	0	20,493,827
Balance at Sep. 30, 2022	$ 0	$ 172,637	(1,086)	(134,886)	36,665
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	26,198			26,198
Exercise of stock options	$ 0	$ 26	0	0	$ 26
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)	0	58,570
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	0
Stock-based compensation	0	233	0	0	233
Net loss	0	0	0	(1,464)	(1,464)
Foreign currency translation, net of tax	$ 0	$ 0	(18)	0	(18)
Balance (in shares) at Sep. 30, 2023	0	19,870,527
Balance at Sep. 30, 2023	$ 0	$ 172,158	(1,070)	(137,570)	$ 33,518
Repurchase of common stock (in shares)	0	(552,147)			(552,147)
Repurchase of common stock	$ 0	$ (659)	0	0	$ (659)
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
Exercise of stock options (in shares)	0	2,031
Exercise of stock options	$ 0	$ 2	0	0	2
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)	0	24,651
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 0	0	0	0
Stock-based compensation	0	154	0	0	154
Net loss	0	0	0	(1,133)	(1,133)
Foreign currency translation, net of tax	$ 0	$ 0	(8)	0	(8)
Balance (in shares) at Sep. 30, 2023	0	19,870,527
Balance at Sep. 30, 2023	$ 0	$ 172,158	$ (1,070)	$ (137,570)	$ 33,518