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, 2018	$ 10,637	$ 52	$ 24,550	$ (372)	$ (13,593)
Balance (in shares) at Dec. 31, 2018		5,278,485
Stock-based compensation	$ 206	$ 1	205
Stock-based compensation (in shares)		70,285
Stock options exercised (in shares)	0
Stock for tax withholding	$ (10)		(10)
Stock for tax withholding (in shares)		(2,248)
Comprehensive income:
Foreign currency translation adjustment	(62)			(62)
Net income	1,862				1,862
Balance at Dec. 31, 2017	8,641	$ 51	24,355	(310)	(15,455)
Balance (in shares) at Dec. 31, 2017		5,210,448
Balance at Dec. 31, 2019	17,933	$ 53	24,751	(306)	(6,565)
Balance (in shares) at Dec. 31, 2019		5,322,849
Stock-based compensation	219	$ 1	218
Stock-based compensation (in shares)		47,404
Stock options exercised	$ 4		4
Stock options exercised (in shares)	1,000	1,000
Stock for tax withholding	$ (21)		(21)
Stock for tax withholding (in shares)		(4,040)
Comprehensive income:
Foreign currency translation adjustment	66			66
Net income	6,995				6,995
Cumulative effect from adoption of ASU No. 2016-02	33				33
Balance at Dec. 31, 2018	$ 10,637	$ 52	$ 24,550	$ (372)	$ (13,593)
Balance (in shares) at Dec. 31, 2018		5,278,485