Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Captal	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance at Mar. 31, 2019	$ 11,050	$ 52	$ 24,592	$ (342)	$ (13,252)
Balance (in shares) at Mar. 31, 2019		5,293,941
Stock-based compensation	50		50
Stock-based compensation (in shares)		16,818
Stock options exercised	4		4
Stock options exercised (in shares)		1,000
Stock for tax withholding	(12)		(12)
Stock for tax withholding (in shares)		(2,362)
Comprehensive income (loss):
Foreign currency translation adjustment	30			30
Net income (loss)	308				308
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
Balance at Mar. 31, 2020	17,775	$ 53	24,810	(412)	(6,676)
Balance (in shares) at Mar. 31, 2020		5,331,799
Stock-based compensation	$ 59		59
Stock-based compensation (in shares)		8,950
Stock options exercised (in shares)	0
Comprehensive income (loss):
Foreign currency translation adjustment	$ (106)			(106)
Net income (loss)	(111)				(111)
Balance at Dec. 31, 2019	$ 17,933	$ 53	$ 24,751	$ (306)	$ (6,565)
Balance (in shares) at Dec. 31, 2019		5,322,849