XML 40 R28.htm IDEA: XBRL DOCUMENT v3.21.2
Leases - Narrative (Details) - USD ($)
9 Months Ended 12 Months Ended
Aug. 31, 2021
Nov. 30, 2020
Leases    
Right-of-use asset $ 521,000 $ 476,000
Weighted-average remaining lease term 2 years 9 months  
Weighted-average discount rate 8.00%  
Cash paid for amounts included in the measurement of lease liabilities $ 150,418  
Derecognition of right of use asset   $ 93,000