CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Total
Beginning Balance, Shares at Dec. 31, 2018	15,706,000
Beginning Balance, Amount 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	15,706,000
Ending Balance, Amount at Mar. 31, 2019	$ 16	73,375	(2,232)	(53,904)	17,255
Net income (loss)				(112)	(112)
Treasury shares purchased			(48)		(48)
Share-based compensation		24			24
Ending Balance, Shares at Jun. 30, 2019	15,706,000
Ending Balance, Amount at Jun. 30, 2019	$ 16	73,399	(2,280)	(54,016)	17,119
Beginning Balance, Shares at Dec. 31, 2019	15,906,000
Beginning Balance, Amount at Dec. 31, 2019	$ 16	73,521	(2,284)	(56,890)	14,363
Net income (loss)				(637)	(637)
Treasury shares purchased			(524)		(524)
Share-based compensation		50			50
Ending Balance, Shares at Mar. 31, 2020	15,906,000
Ending Balance, Amount at Mar. 31, 2020	$ 16	73,571	(2,808)	(57,527)	13,252
Net income (loss)				(5,290)	(5,290)
Treasury shares purchased
Share-based compensation		24			24
Ending Balance, Shares at Jun. 30, 2020	15,906,000
Ending Balance, Amount at Jun. 30, 2020	$ 16	$ 73,595	$ (2,808)	$ (62,817)	$ 7,986