CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	2014 Equity Incentive Plan [Member]	Preferred Stock [Member] Series A-2 Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] 2014 Equity Incentive Plan [Member]	Accumulated Deficit [Member]
Beginning Balance, Shares at Dec. 31, 2014			53	35,951,000
Beginning balance, Treasury Shares at Dec. 31, 2014	40,000				40,000
Beginning Balance, Value at Dec. 31, 2014	$ 7,967		$ 167	$ 4	$ (66)	$ 178,476		$ (170,614)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(503)							(503)
Stock-based compensation	336					336
2014 Plan equity issuance costs	(100)	$ (36)					$ (36)
Forfeited restricted stock, Shares				(138,000)
Forfeited restricted stock, Value	0
Preferred stock dividends	(10)					(10)
Repurchase of common stock, Shares					139,000
Repurchase of common stock, Value	(139)				$ (139)
Issuance of common stock under an at-the-market sales agreement, net of expenses, Shares				17,000
Issuance of common stock under an at-the-market sales agreement, net of expenses, Value	$ (82)					(82)
Ending Balance, Shares at Jun. 30, 2015			53	35,830,000
Ending balance, Treasury Shares at Jun. 30, 2015	179,000				179,000
Ending Balance, Value at Jun. 30, 2015	$ 7,533		$ 167	$ 4	$ (205)	$ 178,684		$ (171,117)