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Notes Payable And Secured Credit Agreement (Balances And Classification Of Notes Payable) (Details) - USD ($)
$ in Thousands
Aug. 31, 2022
Aug. 31, 2021
Debt Instrument [Line Items]    
Current Portion of Notes Payable $ 5,835 $ 5,835
Notes Payable, less Current Portion 7,268 12,975
Term Notes [Member]    
Debt Instrument [Line Items]    
Current Portion of Notes Payable 5,000 5,000
Notes Payable, less Current Portion 5,000 10,000
Strive Note [Member]    
Debt Instrument [Line Items]    
Current Portion of Notes Payable 835 835
Notes Payable, less Current Portion $ 2,268 $ 2,975