Annual report pursuant to Section 13 and 15(d)

Private Placement Financing (2015) - Additional Information (Detail)

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Private Placement Financing (2015) - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Jul. 02, 2015
Jul. 02, 2015
Jun. 30, 2015
Jun. 30, 2015
Feb. 04, 2014
Jan. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Aug. 06, 2015
Apr. 19, 2013
Private Placement [Line Items]                    
Stock Issued During Period, Shares, New Issues   454,387                
Share Price                 $ 0.35  
Common Stock, Par or Stated Value Per Share             $ 0.001 $ 0.001    
Class of Warrant or Right, Exercise Price of Warrants or Rights                   $ 0.75
Fair Value Of Derivative Liabilities In Excess Of Proceeds             $ 0 $ (7,541,693)    
2014 Investor                    
Private Placement [Line Items]                    
Stock Issued During Period, Shares, New Issues   454,387                
Proceeds from Issuance of Common Stock   $ 100,000                
Series D Warrants                    
Private Placement [Line Items]                    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 0.25      
Series A And Series C Warrants [Member]                    
Private Placement [Line Items]                    
Stock Issued During Period, Shares, New Issues             13,936,367      
Proceeds from Issuance of Common Stock             $ 3,066,000      
2014 Private Placement                    
Private Placement [Line Items]                    
Stock Issued During Period, Shares, New Issues     14,390,754     11,400,000        
Share Price           $ 0.25 $ 0.22      
Common Stock, Par or Stated Value Per Share         $ 0.001   $ 0.001      
Proceeds from Issuance of Common Stock     $ 3,200,000     $ 2,850,000        
Fair Value Of Derivative Liabilities In Excess Of Proceeds         $ 7,541,693   $ 3,052,064      
2014 Private Placement | Series D Warrants                    
Private Placement [Line Items]                    
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 0.25      
2015 Private Placement [Member]                    
Private Placement [Line Items]                    
Stock Issued During Period, Shares, New Issues       13,936,367            
Common Stock, Par or Stated Value Per Share $ 0.001 $ 0.001                
Fair Value Of Derivative Liabilities In Excess Of Proceeds $ 99,511                  
Stock Issued During Period, Value, New Issues $ 454     $ 13,936