Quarterly report pursuant to Section 13 or 15(d)

Stock Options - Summary of Non-Vested Options (Detail)

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Stock Options - Summary of Non-Vested Options (Detail) (USD $)
3 Months Ended
Feb. 28, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Non-vested at November 30, 2013, Options 109,152
Granted, Options   
Vested, Options (18,954)
Forfeited, Options (1,666)
Non-vested at February 28, 2014, Options 88,532
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 $ 1.76
Non-vested at February 28, 2014, Weighted Average Grant-Date Fair Value $ 1.82