Quarterly report pursuant to sections 13 or 15(d)

Note Payable - Additional Information (Detail)

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Note Payable - Additional Information (Detail) (USD $)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 97 Months Ended
Feb. 04, 2014
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Sep. 30, 2013
Mar. 31, 2014
Note Payable [Line Items]              
Class Of Warrant Or Right Expiration Date           Sep. 30, 2023  
Notes Payable, Total           $ 944,707  
Adjustments to Additional Paid in Capital, Warrant Issued           55,293  
Fair Value Assumptions, Expected Dividend Rate 0.00%     0.00%      
Interest Expense, Total   27,765 45,804 55,530 88,212   644,124
Class of Warrant or Right, Exercise Price of Warrants or Rights   0   0   0.27 0
Warrant
              
Note Payable [Line Items]              
Fair Value Assumptions, Risk Free Interest Rate           2.64%  
Fair Value Assumptions, Expected Dividend Rate           0.00%  
Fair Value Assumptions, Expected Term           10 years  
Fair Value Assumptions, Expected Volatility Rate           114.00%  
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, as defined, 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 net proceeds of $5,000,000 or more in a 12-month period  
Warrants Issued To Purchase Of Common Stock           145,985