Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Additional Information (Detail)

v3.20.4
Property and Equipment - Additional Information (Detail) - USD ($)
12 Months Ended
Nov. 30, 2020
Nov. 30, 2019
Property Plant And Equipment [Abstract]    
Depreciation expense $ 305,000 $ 309,000
Depreciation amount included in cost of sales $ 206,000 $ 195,000