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, 2019
Nov. 30, 2018
Property, Plant and Equipment [Abstract]    
Depreciation expense $ 309,000 $ 241,000
Depreciation amount included in cost of sales $ 195,000 $ 137,000