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Fair Value Of Financial Instruments (Schedule Of Contingent Consideration Liability) (Details) - USD ($)
12 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2021
Business Acquisition, Contingent Consideration [Line Items]      
Change in fair value $ 7,000 $ 68,000 $ 193,000
Jhana [Member]      
Business Acquisition, Contingent Consideration [Line Items]      
Balance at beginning 729,000    
Change in fair value 7,000    
Payments (736,000)    
Balance at ending $ 0 $ 729,000