Subsequent Events (Details Narrative) - USD ($) $ in Thousands			12 Months Ended
	Feb. 11, 2016	Feb. 03, 2016	Dec. 31, 2015	Dec. 31, 2014
Purchase of common stock			$ 6,393	$ 11,880
Subsequent Event [Member] | Stockholders [Member]
Reverse stock split	reverse stock split of our issued and outstanding common stock by a ratio of not less than 1-for-2 and not more than 1-for-20, such ratio to be determined in the discretion of the Board of Directors at any time on or before July 31, 2016.
Subsequent Event [Member] | Aspire Capital [Member] | Stock Purchase Agreement [Member]
Sale of common stock, shares		296,666
Proceeds from sale of common stock shares		$ 800
Subsequent Event [Member] | Aspire Capital [Member] | Two Common Stock Purchase Agreements [Member]
Sale of common stock, shares		75,000
Agreement term		24 months
Purchase of common stock		$ 10,000