Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Option activity (Details)

v3.21.2
Stock Based Compensation - Option activity (Details) - $ / shares
12 Months Ended
Jul. 01, 2020
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Number of Options        
Options outstanding, beginning balance   1,398,740 50,749  
Granted 1,235,159 840,000 1,506,096  
Forfeited   (461,720) (158,105)  
Options outstanding, ending balance   1,776,115 1,398,740 50,749
Weighted Average Remaining Contractual Life (In years)        
Weighted Average Remaining Contractual Life In Years, beginning balance       9 years
Weighted Average Remaining Contractual Life In Years, Granted   8 years 6 months 10 years  
Weighted Average Remaining Contractual Life In Years, Exercised   0 years 0 years  
Weighted Average Remaining Contractual Life In Years, Forfeited   5 years 10 months 24 days 9 years 7 months 6 days  
Weighted Average Remaining Contractual Life In Years, Ending balance   8 years 10 months 24 days 9 years 6 months  
Weighted Average Exercise Price        
Weighted Average Exercise Price Beginning     $ 95.20  
Granted   $ 2.61 5.30  
Forfeited   2.72 56.08  
Weighted Average Exercise Price Ending   $ 6.53 $ 8.18