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Notes Payable And Secured Credit Agreement (Balances And Classification Of Notes Payable) (Details) - USD ($)
$ in Thousands
Aug. 31, 2021
Aug. 31, 2020
Debt Instrument [Line Items]    
Current Portion of Notes Payable $ 5,835 $ 5,000
Notes Payable, less Current Portion 12,975  
Total 18,810  
Term Notes [Member]    
Debt Instrument [Line Items]    
Current Portion of Notes Payable 5,000  
Notes Payable, less Current Portion 10,000  
Total 15,000  
Strive Note [Member]    
Debt Instrument [Line Items]    
Current Portion of Notes Payable 835  
Notes Payable, less Current Portion 2,975  
Total $ 3,810