Stockholders' Equity (Deficit) (Details 1) shares in Thousands	Dec. 31, 2015 shares
Schedule of common stock reserved for future issuance
Common Stock, Capital Shares Reserved for Future Issuance	5,845
Shares issuable upon the exercise of warrants [Member]
Schedule of common stock reserved for future issuance
Common Stock, Capital Shares Reserved for Future Issuance	3,962
Stock options outstanding [Member]
Schedule of common stock reserved for future issuance
Common Stock, Capital Shares Reserved for Future Issuance	1,883