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, Amount at Dec. 31, 2017	$ 15	$ 73,246	$ (2,040)	$ (49,374)	$ 21,847
Net loss				(4,742)	(4,742)
Restricted stock awards, shares	300
Restricted stock awards, value
Shares surrendered to settle employee tax liabilities and retired, shares	(32)
Shares surrendered to settle employee tax liabilities and retired, value	$ 1	(31)			(30)
Treasury shares purchased			(22)		(22)
Share-based compensation		56			56
Ending Balance, Shares at Dec. 31, 2018	15,706
Ending Balance, Amount at Dec. 31, 2018	$ 16	73,271	(2,062)	(54,116)	17,109
Net loss				(2,774)	(2,774)
Restricted stock awards, shares	200
Restricted stock awards, value
Treasury shares purchased			(222)		(222)
Share-based compensation		250			250
Ending Balance, Shares at Dec. 31, 2019	15,906
Ending Balance, Amount at Dec. 31, 2019	$ 16	$ 73,521	$ (2,284)	$ (56,890)	$ 14,363