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Proxy Contest (Details Textual) (USD $)
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3 Months Ended | ||||||||
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Feb. 28, 2013
Participant
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May 31, 2012
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Feb. 29, 2012
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Nov. 30, 2011
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Nov. 30, 2012
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May 30, 2012
Directors
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Aug. 25, 2011
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May 09, 2011
Directors
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Jul. 16, 2007
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| Proxy Contest (Textual) [Abstract] | |||||||||
| Number of directors nominated | 6 | 5 | |||||||
| Cash transferred to trust | $ 2,500,000 | ||||||||
| Legal fees paid | 8,434 | 34,903 | |||||||
| Balance in the trust | 2,343,413 | 2,372,439 | |||||||
| Total number of participants | 3 | ||||||||
| Severance in the amount related to lost salary, bonuses and benefits | 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 | ||||||||
| X | ||||||||||
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- Definition
Investment held in trust. No definition available.
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| X | ||||||||||
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- Definition
Legal fee paid on behalf of participants. No definition available.
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| X | ||||||||||
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- Definition
Number of directors nominated. No definition available.
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| X | ||||||||||
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- Definition
Number of Participants continues to be employed by the company. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Reimbursement of costs associated with the litigation. No definition available.
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| X | ||||||||||
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- Definition
Restricted cash transferred to trust. No definition available.
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans). No definition available.
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| X | ||||||||||
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- Definition
Liability for benefits due terminated employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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