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Leases - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 28, 2021
Nov. 30, 2020
Nov. 30, 2019
Leases      
Right-of-use asset $ 448,000 $ 476,000 $ 681,000
Weighted-average remaining lease term 3 years 3 months 18 days    
Weighted-average discount rate 8.00%    
Cash paid for amounts included in the measurement of lease liabilities $ 48,830    
Derecognition of right of use asset   $ 93,000