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Investment in Saneron CCEL Therapeutics, Inc. (''Saneron'') - Additional Information (Detail) (USD $) |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2014 | Nov. 30, 2013 | Aug. 31, 2014 Accumulated Deficit [Member] | Aug. 31, 2014 Treasury Stock [Member] | Aug. 31, 2014 Saneron [Member] | Aug. 31, 2014 Saneron [Member] Installment | Nov. 30, 2013 Saneron [Member] | Aug. 31, 2014 Saneron [Member] Valuation Allowance Investment [Member] | Aug. 31, 2014 Saneron [Member] Valuation Allowance Investment [Member] | Aug. 31, 2014 Saneron [Member] Common Stock and Warrant Awards [Member] | Aug. 31, 2013 Saneron [Member] Common Stock and Warrant Awards [Member] | Aug. 31, 2014 Saneron [Member] Common Stock and Warrant Awards [Member] | Aug. 31, 2013 Saneron [Member] Common Stock and Warrant Awards [Member] | Aug. 31, 2014 Saneron [Member] Initial Loan [Member] Installment | Aug. 31, 2014 Saneron [Member] Additional Loan [Member] Installment
Investments In Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  | 33.00% | 33.00% | 34.00% |  |  |  |  |  |  |  |
Equity method investment | $ 758,764 | $ 684,000 |  |  | $ 758,764 | $ 758,764 | $ 684,000 |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | 684,000 |  |  |  |  |  |  |  |
Equity method investment, other than temporary impairment loss |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |
Goodwill impairment loss |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |
Loan Saneron in quarterly payments an aggregate amount |  |  |  |  | 300,000 | 300,000 |  |  |  |  |  |  |  |  |
Initial loan amount |  |  |  |  | 150,000 | 150,000 |  |  |  |  |  |  |  |  | 150,000
Additional quarterly payments |  |  |  |  |  | 4 |  |  |  |  |  |  |  | 4 | 4
Quarterly installments per quarter |  |  |  |  |  |  |  |  |  |  |  |  |  | 37,500 | 37,500
Date of maturity |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |
Quarterly installments per quarter |  |  |  |  |  | 37,500 |  |  |  |  |  |  |  |  |
Equity in losses |  |  |  |  | 53,000 | 242,000 |  |  |  | 8,500 | 39,000 | 86,000 | 115,000 |  |
Valuation allowances on investment |  |  |  |  |  |  |  | 37,500 | 150,000 |  |  |  |  |  |
Common shares repurchased |  |  |  |  | 93,800 |  |  |  |  |  |  |  |  |  |
Common shares per share value |  |  |  |  | $ 2.60 | $ 2.60 |  |  |  |  |  |  |  |  |
Common shares sold by Saneron |  |  |  |  | 56,300 |  |  |  |  |  |  |  |  |  |
Reclassification from treasury stock to accumulated deficit. |  |  | $ (400,000) | $ 400,000 |  |  |  |  |  |  |  |  |  |  |

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