Quarterly report pursuant to Section 13 or 15(d)

Stockholder's Equity - Summary of Non-Vested Shares (Detail)

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Stockholder's Equity - Summary of Non-Vested Shares (Detail) (USD $)
9 Months Ended
Aug. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Non-vested at November 30, 2013, Shares 109,152
Granted, Shares   
Vested, Shares (69,996)
Forfeited, Shares (23,329)
Non-vested at August 31, 2014, Shares 15,827
Non-vested at November 30, 2013, Weighted Average Grant-Date Fair Value $ 1.79
Granted, Weighted Average Grant-Date Fair Value   
Vested, Weighted Average Grant-Date Fair Value $ 1.79
Forfeited, Weighted Average Grant-Date Fair Value $ 1.82
Non-vested at August 31, 2014, Weighted Average Grant-Date Fair Value $ 1.72