Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Additional Information (Detail)

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Property and Equipment - Additional Information (Detail) - USD ($)
12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Property Plant And Equipment [Abstract]    
Depreciation expense $ 229,000 $ 305,000
Depreciation amount included in cost of sales $ 204,000 $ 206,000