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Proxy Contest (Details Textual) (USD $) | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2012 | Nov. 30, 2011 | Nov. 30, 2012 | May 30, 2012 Directors | Aug. 25, 2011 | May 09, 2011 Directors | Jul. 16, 2007
Proxy Contest (Textual) [Abstract] |  |  |  |  |  |  |
Number of directors nominated |  |  |  | 6 |  | 5 |
Cash transferred to trust |  |  |  |  | $ 2,500,000 |  |
Legal fees paid |  |  | 81,253 |  |  |  |
Balance in the trust |  |  | 2,372,439 |  |  |  |
Severance in the amount related to lost salary, bonuses and benefits |  |  | 950,000 |  |  |  | 950,000
Accrued expense related to lost salary, bonuses and benefits |  | 950,000 | 950,000 |  |  |  |
Reimbursement of costs associated with litigation |  | 528,000 |  |  |  |  |
Stock option compensation expense | $ 700,000 |  |  |  |  |  |

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