CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Preferred Stock Series A-2 Preferred Stock	Common Stock	Treasury Stock	Additional Paid In Capital	Accumulated Deficit	2014 Equity Incentive Plan	2014 Equity Incentive Plan Additional Paid In Capital
Beginning balance, Shares at Dec. 31, 2013		53	35,306,000
Beginning balance, Treasury Shares at Dec. 31, 2013				0
Beginning Balance, Value at Dec. 31, 2013	$ 9,669	$ 167	$ 4	$ 0	$ 177,357	$ (167,859)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,755)					(2,755)
Stock-based compensation	563				563
Issuance of restricted stock to settle accrued 2013 bonuses, Shares			123,000
Issuance of restricted stock to settle accrued 2013 bonuses, Value	204				204
Issuance of restricted stock, Shares			400,000
Issuance of restricted stock, Value	0				0
Forfeited restricted stock, Shares			(224,000)
Forfeited restricted stock, Value	0				0
Cost of preferred stock exchange	(5)				(5)
Preferred stock dividends	(20)				(20)
Issuance of common stock under an at-the-market sales agreement, net of expenses, Shares			326,000
Issuance of common stock under an at-the-market sales agreement, net of expenses, Value	377				377
Repurchase of common stock, Shares				40,000
Repurchase of common stock, Value	(66)			$ (66)
Options exercised, Shares			20,000
Options exercised, Value	$ 0
Ending balance, Shares at Dec. 31, 2014		53	35,951,000
Ending balance, Treasury shares at Dec. 31, 2014	40,000			40,000
Ending Balance, Value at Dec. 31, 2014	$ 7,967	$ 167	$ 4	$ (66)	178,476	(170,614)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,143)					(2,143)
Stock-based compensation	813				813
Forfeited restricted stock, Shares			(139,000)
Forfeited restricted stock, Value	0
Preferred stock dividends	(18)				(18)
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)
Repurchase of common stock, Value	(140)
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs							$ (36)	$ (36)
Preferred stock conversion, shares		(21)	(60,497)
Preferred stock conversion, value	$ 22	$ (67)			89
Ending balance, Shares at Dec. 31, 2015		32	35,889,000
Ending balance, Treasury shares at Dec. 31, 2015	179,000			179,000
Ending Balance, Value at Dec. 31, 2015	$ 6,383	$ 100	$ 4	$ (206)	$ 179,242	$ (172,757)