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 $)
6 Months Ended
May 31, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Non-vested at November 30, 2013, Shares 109,152
Granted, Shares   
Vested, Shares (43,743)
Forfeited, Shares (21,663)
Non-vested at May 31, 2014, Shares 43,746
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 $ 1.67
Forfeited, Weighted Average Grant-Date Fair Value $ 1.84
Non-vested at May 31, 2014, Weighted Average Grant-Date Fair Value $ 1.86