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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Changes in Deferred Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Deferred Revenue [Abstract]    
Balance $ 3,600 $ 5,059
Deferral of revenue 6,884 24,643
Recognition of unearned revenue (8,079) (26,102)
Balance $ 2,405 $ 3,600