Annual report pursuant to Section 13 and 15(d)

Note Payable - Additional Information (Detail)

v3.3.1.900
Note Payable - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2015
Sep. 30, 2014
Apr. 19, 2013
Note Payable [Line Items]        
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 0.75
Interest Expense, Debt   $ 11,000    
Debt instrument, unamortized discount   966,824 $ 955,766  
Loans        
Note Payable [Line Items]        
Notes Payable   944,707    
2014 Warrant        
Note Payable [Line Items]        
Adjustments to Additional Paid in Capital, Warrant Issued   $ 55,293    
Massachusetts Life Sciences Center        
Note Payable [Line Items]        
Subordinated Debt $ 1,000,000      
Debt Instrument, Payment Terms The loan bears interest at a rate of 10% per annum, and will become fully due and payable on the earlier of (i) September 30, 2018, (ii) the occurrence of an event of default under the MLSC Loan Agreement, or (iii) the completion of a sale of substantially all of our assets, a change-of-control transaction or one or more financing transactions in which we receive from third parties other than our then existing shareholders net proceeds of $5,000,000 or more in a 12-month period      
Warrants Issued To Purchase Of Common Stock 145,985      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.27