XML 74 R60.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity (Deficit) - Warrant Transactions (Details Textual) - USD ($)
6 Months Ended 12 Months Ended
Aug. 14, 2015
Jan. 22, 2015
Jun. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Jul. 20, 2015
Jan. 30, 2015
Feb. 02, 2014
Sep. 23, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by each warrant or right     12,500       5,000    
Class of warrant or right, exercise price of warrants or rights (per share)     $ 10.20       $ 10.20    
Proceeds from issuance of warrants (in dollars)   $ 100              
Fair value of warrants issued (in dollars)   $ 7,700 $ 44,250 $ 51,950          
Percentage of warrants held by investors to participate in warrant exercise offer (percentage)           70.00%      
Number of shares available to be repurchased at end of exercise price offer period (shares) 2,191,547     523,115          
Proceeds from warrant exercises (dollars) $ 12,861,057                
Class of warrant or right, average exercise price of warrants or rights (per share) $ 5.87     $ 9.15          
Loss on exchange of warrants       $ 1,845,810 $ 0        
Fair Value Adjustment of Warrants       (7,178,035)          
General and Administrative Expense [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition (in dollars)       7,600          
2013 Warrants [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, discount on exercise price of warrants or rights (percentage) 25.00%         25.00%      
Exercise of warrants (shares) 798,715                
Proceeds from warrant exercises (dollars) $ 4,100,252                
Loss on exchange of warrants $ 647,989                
2014 Warrants [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, discount on exercise price of warrants or rights (percentage) 26.00%         26.00%      
Proceeds from warrant exercises (dollars) $ 8,760,805                
Series A five-year warrants [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, exercise price of warrants or rights (per share)               $ 7.00 $ 5.00
Series B five-year warrants [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, exercise price of warrants or rights (per share)               $ 10.00  
Warrant [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Loss on exchange of warrants       $ 1,197,821          
Fair value of remaining unexercised warrants $ 1,181,638                
Remaining unexercised warrants, shares 396,536                
Warrant [Member] | 2014 Warrants [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Exercise of warrants (shares) 1,392,832                
Fair value of warrants exercised $ 5,348,408                
2013 Activity [Member] | Warrant [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, exercise price of warrants or rights (per share)                 $ 10.00