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           Investments in Affiliates - Additional Information (Detail) (USD $) 
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        12 Months Ended | |
|---|---|---|
| 
           Nov. 30, 2013
 
          Installment 
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           Nov. 30, 2012 
         | 
      |
| Investments In Affiliates [Line Items] | ||
| Value of treasury stock | $ 2,926,123 | $ 2,187,505 | 
| 
           Saneron [Member] 
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        ||
| Investments In Affiliates [Line Items] | ||
| Goodwill | 684,000 | 684,000 | 
| Goodwill Impairment | 0 | 0 | 
| Equity in losses of Saneron operations | 154,000 | 155,000 | 
| Value of treasury stock | 485,000 | 485,000 | 
| Loan Saneron in quarterly payments an aggregate amount | 300,000 | |
| Initial loan amount | 150,000 | |
| Additional quarterly payments | 4 | |
| Quarterly installments per quarter | 37,500 | |
| Date of maturity | 5 years | |
| First initial quarterly payment | 37,500 | |
| 
           Saneron [Member] | Additional Loan [Member] 
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        ||
| Investments In Affiliates [Line Items] | ||
| Initial loan amount | 150,000 | |
| Additional quarterly payments | 4 | |
| Quarterly installments per quarter | $ 37,500 | |
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- Definition 
          Investments in affiliates equity in aggregate losses. No definition available. 
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- Details 
          
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- Definition 
          Investments in and advances to affiliates aggregate amount of initial loan. No definition available. 
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- Definition 
          Investments in and advances to affiliates aggregate amount of loan maximum. No definition available. 
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- Definition 
          Investments in and advances to affiliates aggregate amount of quarterly installment loan. No definition available. 
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- Definition 
          Maturity period of convertible promissory note. No definition available. 
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- Definition 
          Number of quarterly installment in which loan is payable. No definition available. 
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- Definition 
          Proceeds from quarterly initial installment loan receivable. No definition available. 
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- Definition 
          Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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