Stockholders' Equity (Details 3) - shares	Dec. 31, 2015	Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock options outstanding	2,351,941	1,971,269
Authorized for future grants under stock-based incentive plans	315,273
Reserved for conversion of preferred shares issued in relation to AutoWeb	1,680,070
Reserved for exercise of warrants	1,552,330
Reserved for conversion of promissory notes	61,200
Total reserved for future issuance	4,631,733