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Current and Expected Amortization Expense of Intangible Assets (Detail)
$ in Thousands
3 Months Ended
Feb. 29, 2016
USD ($)
Disclosure Current And Expected Amortization Expense Of Intangible Assets [Abstract]  
Amortization expense for the three months ended February 29, 2016 $ 1
Remaining estimated amortization expense for the year ending November 30:  
2016 1
2017 1
2018 1
2019 1
2020 and thereafter $ 14