Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Additional Information (Detail)

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Intangible Assets - Additional Information (Detail) - USD ($)
12 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Finite-Lived Intangible Assets, Net [Abstract]    
Amortization expense $ 92,000 $ 76,000