XML 67 R53.htm IDEA: XBRL DOCUMENT v3.3.1.900
Derivative Financial Instruments (Details) - USD ($)
 12 Months Ended
Aug. 14, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Derivative [Line Items]        
Warrant liability   $ 5,060 $ 3,203,465  
Loss on exchange of warrants   1,845,810 0  
Fair value of 2013 PPM warrants reclassified from liability to equity     3,166,482  
Change in fair value of derivative   $ (2,133,820) $ 7,845,214  
Warrant [Member]        
Derivative [Line Items]        
Common Shares linked to Derivative Warrants   6,196 1,795,564 718,024
Reclass of private placement warrants to equity     (711,828)  
Change in fair value of derivative, shares   0 0  
Warrant liability   $ 5,060 $ 3,203,465 $ 1,832,945
Loss on exchange of warrants   1,197,821    
Remaining unexercised warrants, shares 396,536      
Fair value of remaining unexercised warrants $ (1,181,638)      
Fair value of 2013 PPM warrants reclassified from liability to equity     3,166,482  
Change in fair value of derivative   $ 2,133,820 $ (7,845,214)  
2014 Warrants [Member] | Warrant [Member]        
Derivative [Line Items]        
Class of warrant or right, issuance of warrants to investors in private placement     1,789,368  
Exercise of warrants (shares) (1,392,832)      
Fair value of warrants exercised $ (5,348,408)      
Class of warrant or right, issued in private placement     $ 12,382,216