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Investment in Saneron CCEL Therapeutics, Inc. ("Saneron") - Additional Information (Detail) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 31, 2016 USD ($) | Nov. 30, 2015 USD ($) | Aug. 31, 2015 USD ($) | Aug. 31, 2016 USD ($) Installment | Aug. 31, 2015 USD ($) | Nov. 30, 2014 USD ($) Installment
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment | $ 0 |  |  | $ 0 |  |
Equity in losses |  |  | $ (1,164) |  | $ (17,660) |
Saneron [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership interest | 33.00% | 33.00% |  | 33.00% |  |
Equity method investment |  | $ 0 |  |  |  |
Impairment of investment in Saneron |  | $ 684,000 |  |  |  |
Loan Saneron in quarterly payments an aggregate amount | $ 300,000 |  |  | $ 300,000 |  |
Initial loan amount | 150,000 |  |  | $ 150,000 |  |
Additional quarterly payments | Installment |  |  |  | 0 |  | 5
Date of maturity |  |  |  | 5 years |  |
First initial quarterly payment |  |  |  |  |  | $ 37,500
Saneron [Member] | Stock Awards [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity in losses | 0 |  | $ 1,000 | $ 0 | $ 18,000 |
Saneron [Member] | Initial Loan [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Additional quarterly payments | Installment |  |  |  | 4 |  |
Quarterly installments per quarter | 37,500 |  |  | $ 37,500 |  |
Saneron [Member] | Additional Loan [Member] |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Initial loan amount | 150,000 |  |  | $ 150,000 |  |
Additional quarterly payments | Installment |  |  |  | 4 |  |
Quarterly installments per quarter | $ 37,500 |  |  | $ 37,500 |  |

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