CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Captal	Accumulated Other Comprehensive Loss	Accumulated deficit
Balance at Dec. 31, 2020	$ 19,370	$ 54	$ 24,968	$ (150)	$ (5,502)
Balance (in shares) at Dec. 31, 2020		5,352,626
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 224	$ 1	223
Stock-based compensation (in shares)		31,455
Stock options exercised (in shares)	0
Stock for tax withholding	$ (6)		(6)
Stock for tax withholding (in shares)		(1,678)
Comprehensive income:
Foreign currency translation adjustment	156			156
Net income	1,063				1,063
Balance at Dec. 31, 2019	17,933	$ 53	24,751	(306)	(6,565)
Balance (in shares) at Dec. 31, 2019		5,322,849
Balance at Dec. 31, 2021	19,794	$ 54	25,167	(288)	(5,139)
Balance (in shares) at Dec. 31, 2021		5,378,857
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	226		226
Stock-based compensation (in shares)		31,233
Stock options exercised	$ 8		8
Stock options exercised (in shares)	2,000
Stock for tax withholding	$ (35)		(35)
Stock for tax withholding (in shares)		(7,002)
Dividend declared	(1,932)				(1,932)
Comprehensive income:
Foreign currency translation adjustment	(138)			(138)
Net income	2,295				2,295
Balance at Dec. 31, 2020	$ 19,370	$ 54	$ 24,968	$ (150)	$ (5,502)
Balance (in shares) at Dec. 31, 2020		5,352,626