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Share-Based and Other Compensation - Restricted Stock Unit Activity (Details) - Restricted Stock Units - $ / shares
9 Months Ended 12 Months Ended
May 31, 2022
Aug. 25, 2021
Aug. 26, 2020
Restricted Stock Units      
Beginning balance (in shares) 5,236 173,808  
Granted (in shares)   0  
Vested (in shares) (5,236) (168,572)  
Forfeited (in shares)   0  
Ending balance (in shares) 0 5,236 173,808
Weighted Average Fair Value      
Beginning balance (in dollars per share) $ 1.92 $ 2.57  
Granted (in dollars per share)   0  
Vested (in dollars per share) 1.92 2.59  
Forfeited (in dollars per share)   0  
Ending balance (in dollars per share) $ 0 $ 1.92 $ 2.57
Weighted- Average Remaining Contractual Term      
Weighted-average remaining contractual term   1 year 1 month 6 days 2 years