XML 48 R21.htm IDEA: XBRL DOCUMENT v3.3.0.814
Summary of Significant Accounting Policies (Details) - shares
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Potentially dilute securities excluded from calculation 18,348,349 11,245,739
Convertible preferred stock [Member]    
Potentially dilute securities excluded from calculation 5,044,821 5,156,841
Warrants to purchase common stock [Member]    
Potentially dilute securities excluded from calculation 7,804,827 775,021
Non-vested restricted stock awards [Member]    
Potentially dilute securities excluded from calculation 15,000
Options to purchase common stock [Member]    
Potentially dilute securities excluded from calculation 5,498,701 5,298,877