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Leases - Narrative (Details) - USD ($)
6 Months Ended 12 Months Ended
May 31, 2021
Nov. 30, 2020
Leases    
Right-of-use asset $ 559,000 $ 476,000
Weighted-average remaining lease term 3 years  
Weighted-average discount rate 8.00%  
Cash paid for amounts included in the measurement of lease liabilities $ 98,359  
Derecognition of right of use asset   $ 93,000