Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2021	$ 24	$ 3,959	$ (9,773)	$ 58,664	$ (1,373)	$ 51,501
Balance (in shares) at Dec. 31, 2021	8,547,335
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	340	0	0	0	340
Vesting of restricted stock units	$ 0	0	0	0	0	0
Vesting of restricted stock units (in shares)	47,423
Net income	$ 0	0	0	645	0	645
Foreign currency translation adjustments, net of tax	0	0	0	0	65	65
Balance at Mar. 31, 2022	$ 24	4,299	(9,773)	59,309	(1,308)	52,551
Balance (in shares) at Mar. 31, 2022	8,594,758
Balance at Dec. 31, 2022	$ 23	3,222	(9,773)	59,891	(1,900)	51,463
Balance (in shares) at Dec. 31, 2022	8,293,149
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	228	0	0	0	228
Vesting of restricted stock units	$ 0	0	0	0	0	0
Vesting of restricted stock units (in shares)	17,518
Net income	$ 0	0	0	664	0	664
Foreign currency translation adjustments, net of tax	0	0	0	0	(39)	(39)
Balance at Mar. 31, 2023	$ 23	$ 3,450	$ (9,773)	$ 60,555	$ (1,939)	$ 52,316
Balance (in shares) at Mar. 31, 2023	8,310,667