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Inventories (Details) - USD ($)
$ in Thousands
Nov. 30, 2021
Nov. 30, 2020
Inventory [Line Items]    
Raw materials $ 1,920 $ 0
Work in process 0 0
Finished goods 1,631 0
Total 3,551 $ 0
Other Current Assets    
Inventory [Line Items]    
Total $ 3,600