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Schedule of Share-based Compensation, Stock Options, Activity (Details) (USD $) | 12 Months Ended
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Nov. 30, 2012
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 1 | $ 1,450,000
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 2 | 1,450,000
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 3 | 2,205,000
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 4 | 0
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 5 | (40,000)
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 6 | 0
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 7 | 0
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 8 | 0
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 9 | 0
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 10 | 0
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 11 | (1,955,000)
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 12 | 0
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 13 | 1,660,000
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 14 | 1,450,000
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 15 | 1,660,000
Stock Based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 16 | $ 1,450,000

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