CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Total
Beginning balance, shares at Dec. 31, 2017	15,438
Beginning balance, value at Dec. 31, 2017	$ 15	$ 73,247	$ (2,040)	$ (49,375)	$ 21,847
Net income (loss)				(850)	(850)
Share-based compensation		4			4
Ending balance, shares at Mar. 31, 2018	15,438
Ending balance, value at Mar. 31, 2018	$ 15	73,251	(2,040)	(50,225)	21,001
Beginning balance, shares at Dec. 31, 2018	15,706
Beginning balance, value at Dec. 31, 2018	$ 16	73,271	(2,062)	(54,116)	17,109
Net income (loss)				212	212
Treasury shares purchased			(170)		(170)
Share-based compensation		104			104
Ending balance, shares at Mar. 31, 2019	15,706
Ending balance, value at Mar. 31, 2019	$ 16	$ 73,375	$ (2,232)	$ (53,904)	$ 17,255