CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Total	Preferred Stock Series A-2 Preferred Stock	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance (in shares) at Dec. 31, 2016		32	36,659,000
Beginning Balance, Treasury Stock (in shares) at Dec. 31, 2016	204,000			204,000
Beginning Balance, value at Dec. 31, 2016	$ 3,928	$ 100	$ 4	$ (219)	$ 180,333	$ (176,290)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(1,258)					(1,258)
Stock-based compensation	280				280
Issuance of stock on vested restricted stock units (in shares)			123,000
Issuance of stock on vested restricted stock units	0
Preferred stock dividends	(6)				(6)
Repurchase of common stock (in shares)				43,000
Repurchase of common stock	$ (12)			$ (12)
Ending Balance (in shares) at Jun. 30, 2017		32	36,782,000
Ending Balance, Treasury Stock (in shares) at Jun. 30, 2017	247,000			247,000
Ending Balance, value at Jun. 30, 2017	$ 2,932	$ 100	$ 4	$ (231)	$ 180,607	$ (177,548)