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Proxy Contest - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2014 Participant | May 31, 2013 | May 31, 2014 Participant | May 31, 2013 | Nov. 30, 2013 | May 30, 2012 Directors | Aug. 25, 2011 | May 09, 2011 Directors
Compensation Related Costs [Abstract] |  |  |  |  |  |  |  |
Number of directors nominated |  |  |  |  |  | 6 |  | 5
Cash transferred to trust |  |  |  |  |  |  | $ 2,500,000 |
Legal fees paid | 0 | 41,287 | 1,790 | 49,721 |  |  |  |
Balance in the trust | $ 0 |  | $ 0 |  | $ 764,192 |  |  |
Total number of participants | 3 |  | 3 |  |  |  |  |

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- Definition Legal fee paid on behalf of participants. + References No definition available. + Details
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- Definition Number of directors nominated. + References No definition available. + Details
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- Definition Number of participants continues to be employed by the company. + References No definition available. + Details
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- Definition Restricted cash transferred to trust. + References No definition available. + Details
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- Details
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