Income Taxes - Year of Expiration for Company's Federal and State Net Operating Loss Carryforwards (Detail) (USD $)	Nov. 30, 2013
State [Member]
Operating Loss Carryforwards [Line Items]
2015	$ 24,700,000
2016	28,900,000
2017	29,900,000
2018	48,300,000
2019	105,600,000
2033
Total	237,400,000
Federal [Member]
Operating Loss Carryforwards [Line Items]
2015
2016
2017
2018
2019
2033	9.2
Total	$ 9.2

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