CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Treasury Stock	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Beginning Balance, Shares at Dec. 31, 2015	15,631
Beginning Balance, Amount at Dec. 31, 2015	$ 16	$ 0	$ 72,989	$ (49,422)	$ 23,583
Net income (loss)				164	164
Restricted stock awards, shares	30
Shares surrendered to settle employee tax liabilities and retired, shares	(253)
Shares surrendered to settle employee tax liabilities and retired, value	$ (1)		(221)		(222)
Treasury shares purchased		(567)			(567)
Share-based compensation			344		344
Ending Balance, Shares at Dec. 31, 2016	15,408
Ending Balance, Amount at Dec. 31, 2016	$ 15	(567)	73,112	(49,258)	23,302
Net income (loss)				(116)	(116)
Restricted stock awards, shares	30
Treasury shares purchased		(1,473)			(1,473)
Share-based compensation			134		134
Ending Balance, Shares at Dec. 31, 2017	15,438
Ending Balance, Amount at Dec. 31, 2017	$ 15	$ (2,040)	$ 73,246	$ (49,374)	$ 21,847