SENIOR SECURED NOTES - RELATED PARTY - Additional Information (Detail) - USD ($) | Nov. 04, 2014 | Oct. 31, 2015 | Oct. 11, 2013 | Feb. 29, 2016 | Feb. 28, 2015 | Feb. 01, 2016 | Jan. 04, 2016 | Dec. 02, 2015 | Nov. 10, 2015 | Oct. 06, 2015 | Aug. 31, 2015 | Jul. 31, 2015 | Jul. 01, 2015 |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Proceeds From Notes Payable | | | | $ 2,760,000 | $ 1,920,000 | | | | | | | | |
Line of Credit Facility, Expiration Date | | | | Dec. 31, 2016 | | | | | | | | | |
Senior Secured Note | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Debt instrument, face amount | | | $ 9,000,000 | | | | | | | | | | |
Secured note payable, interest rate | | | 3.00% | 3.00% | | | | | | | | | |
Debt instrument carrying amount | | | $ 9,219,366 | | | | | | | | | | |
Terms of consolidated note identical to secured notes | | | (a) the maturity date was changed to September 1, 2015, which was after the latest maturity date of any of the Secured Notes; and (b) it provided for partial mandatory repayment in the event that the Company received aggregate gross proceeds in excess of $7.5 million from a single or multiple “Liquidity Events” in an amount equal to twenty-five (25%) percent of such gross proceeds (the “Mandatory Prepayment Amount”). | | | | | | | | | | |
Consummation of equity financing, amount | | | $ 7,500,000 | | | | | | | | | | |
Description of Liquidity Event | | | (a) the sale of any of the Company’s equity, or equity-linked, securities, and (b) the receipt of proceeds, directly or indirectly related to a development and/or commercialization relationship entered into with an unaffiliated third party. | | | | | | | | | | |
Debt Instrument, Maturity Date | | | | Sep. 1, 2017 | | | | | | | | | |
Senior Secured Note | Minimum | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | $ 7,500,000 | | | | | | | | | |
Niobe Ventures LLC | Note Modification Agreement | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Notes Payable | $ 10,000,000 | | | | | | | | | | | | |
Proceeds From Notes Payable | $ 10,000,000 | | | | | | | | | | | | |
Niobe Ventures LLC | Senior Secured Note | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Secured note payable, interest rate | 3.00% | | | | | | | | | | | | |
Debt Instrument Additional Borrowing Capacity Amount | $ 5,000,000 | | | | | | | | | | | | |
Debt Instrument, Maturity Date | Sep. 1, 2016 | | | | | | | | | | | | |
Niobe Ventures LLC | Senior Secured Note | Minimum | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Debt Instrument Mandatory Prepayment Principal | $ 7,500,000 | | | | | | | | | | | | |
Niobe Ventures LLC | Senior Secured Convertible Notes | | | | | | | | | | | | | |
Related Party Transaction [Line Items] | | | | | | | | | | | | | |
Debt instrument, face amount | | | | $ 6,065,000 | | $ 345,000 | $ 345,000 | $ 345,000 | $ 345,000 | $ 345,000 | $ 345,000 | $ 345,000 | $ 345,000 |
Proceeds from Issuance of Common Stock | | $ 7,000,000 | | | | | | | | | | | |