XML 66 R55.htm IDEA: XBRL DOCUMENT v3.5.0.2
Equity Financing - Additional Information (Detail) - USD ($)
1 Months Ended 9 Months Ended
Aug. 17, 2016
Aug. 31, 2016
Sep. 30, 2016
Mar. 31, 2016
Class of Warrant or Right [Line Items]        
Proceeds from exercise of warrants   $ 516,000 $ 3,044,035  
2015 Warrants [Member]        
Class of Warrant or Right [Line Items]        
Warrant exercise price $ 1.10   $ 10.20  
Number of warrants exercised 2,475,776      
Number of shares issued upon warrants exercise 2,475,776      
Proceeds from exercise of warrants $ 2,723,000      
Series A Warrants [Member]        
Class of Warrant or Right [Line Items]        
Warrant exercise price   $ 0.30   $ 3.60
Number of warrants exercised   1,187,190    
Number of warrants outstanding   1,277,609    
2011 Series A Warrant [Member]        
Class of Warrant or Right [Line Items]        
Warrant exercise price   $ 0.30    
Number of warrants exercised   531,814    
Number of shares issued upon warrants exercise   531,814    
Number of warrants outstanding   578,081    
Series B Warrants [Member]        
Class of Warrant or Right [Line Items]        
Warrant exercise price   $ 0.30   $ 5.04
Number of warrants outstanding   1,916,407    
Number of warrants surrendered   1,546,360    
Series A and B Warrants [Member]        
Class of Warrant or Right [Line Items]        
Number of shares issued upon warrants exercise   1,719,004