Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Non-Vested Options (Detail)

v2.4.1.9
Stockholders' Equity - Summary of Non-Vested Options (Detail) (USD $)
12 Months Ended
Nov. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Non-vested at November 30, 2013, Options 109,152us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Granted, Options 22,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Vested, Options (75,409)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Forfeited, Options (29,160)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Non-vested at November 30, 2014, Options 27,083us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Non-vested at November 30, 2013, Weighted Average Grant-Date Fair Value $ 1.79us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Granted, Weighted Average Grant-Date Fair Value $ 1.60us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Vested, Weighted Average Grant-Date Fair Value $ 1.78us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Forfeited, Weighted Average Grant-Date Fair Value $ 1.81us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Non-vested at November 30, 2014, Weighted Average Grant-Date Fair Value $ 1.64us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue