CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	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, Value at Dec. 31, 2014	$ 7,967		$ 167	$ 4	$ (66)	$ 178,476		$ (170,614)
Beginning Balance, Shares at Dec. 31, 2014			53	35,951,000
Beginning balance, Treasury Shares at Dec. 31, 2014	40,000				40,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(234)							(234)
Stock-based compensation	113					113
2014 Plan equity issuance costs	(100)	(34)					(34)
Forfeited restricted stock, Shares				(96,000)
Forfeited restricted stock, Value	0
Preferred stock dividends	(5)					(5)
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, Value at Mar. 31, 2015	$ 7,586		$ 167	$ 4	$ (205)	$ 178,468		$ (170,848)
Ending Balance, Shares at Mar. 31, 2015			53	35,872,000
Ending balance, Treasury Shares at Mar. 31, 2015	179,000				179,000