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Investment in Saneron CCEL Therapeutics, Inc. (''Saneron'') - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2014 Installment | Feb. 28, 2013 | Nov. 30, 2013
Investments In Affiliates [Line Items] |  |  |
Value of treasury stock | $ 3,378,036 |  | $ 2,926,123
Saneron [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Ownership interest | 34.00% |  |
Goodwill | 684,000 |  |
Goodwill Impairment | 0 |  | 0
Loan Saneron in quarterly payments an aggregate amount | 300,000 |  |
Additional quarterly payments | 2 |  |
Date of maturity | 5 years |  |
Quarterly installments per quarter | 37,500 |  |
Equity in losses | 114,000 | 38,000 |
Value of treasury stock | 485,000 |  | 485,000
Saneron [Member] | Additional Investments [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Equity in losses | 75,000 |  |
Saneron [Member] | Stock Awards [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Equity in losses | 39,000 | 38,000 |
Saneron [Member] | Initial Loan [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Initial loan amount | 150,000 |  |
Additional quarterly payments | 4 |  |
Quarterly installments per quarter | 37,500 |  |
Saneron [Member] | Additional Loan [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Initial loan amount | 150,000 |  |
Additional quarterly payments | 4 |  |
Quarterly installments per quarter | $ 37,500 |  |

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