Condensed Consolidated Statement of Changes in Stockholders' Equity - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Total	Preferred C Shares [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2014	$ 17,544	$ 821	$ 2	$ 62,550	$ (45,829)
Balance (in shares) at Dec. 31, 2014		2,832	23,975,358
Exercise of options	143	$ 0	$ 0	143	0
Exercise of options (in shares)		0	388,052
Conversion of Series C preferred stock inclusive of accrued dividends	56	$ (158)		214	0
Conversion of Series C preferred stock inclusive of accrued dividends (in shares)		(546)	389,281
Accrued dividend for Series C Preferred Stock	(121)			(121)
Series C preferred stock exchange	283	$ (660)	$ 1	942	0
Series C preferred stock exchange (in shares)		(2,276)	2,232,929
Conversion of Series D preferred shares to common stock and accretion of deemed dividend	805			805	0
Conversion of Series D preferred shares to common stock and accretion of deemed dividend (in shares)			1,163,189
Share-based compensation	2,635	$ 0	$ 0	2,635	0
Share-based compensation (in shares)		0	414,399
Shares issued to settle liabilities	538	$ 0	$ 0	538
Shares issued to settle liabilities (in shares)		0	290,594
Shares issued for financing costs	100		$ 0	100	0
Shares issued for financing costs (in shares)			53,476
Warrants issued in connection with debt financing	416	$ 0	$ 0	416	0
Adjustments To Additional Paid In Capital Warrant Issued One	758			758	0
Net loss	(10,592)	0	0	0	(10,592)
Balance at Sep. 30, 2015	$ 12,565	$ 3	$ 3	$ 68,980	$ (56,421)
Balance (in shares) at Sep. 30, 2015		10	28,907,278