Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Option vesting activity (Details)

v3.20.2
Stock Based Compensation - Option vesting activity (Details) - $ / shares
 12 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
Number of Option      
Options Vested, Beginning balance   4,513  
Vested 19,414 7,410  
Exercised  
Forfeited (1,295) (1,632)  
Options Vested, Ending balance 28,410 10.291  
Weighted Average Remaining Contractual Life (In years)      
Weighted Average Remaining Contractual Life In Years, beginning balance     8 years 7 months 6 days
Weighted Average Remaining Contractual Life In Years, Vested 8 years 1 month 6 days 8 years 7 months 6 days  
Weighted Average Remaining Contractual Life In Years, Forfeited 6 years 4 months 24 days 8 years 1 month 6 days  
Weighted Average Remaining Contractual Life In Years, Ending balance 7 years 2 months 12 days 8 years  
Weighted Average Exercise Price      
Weighted Average Exercise Price Beginning   $ 182.40  
Vested $ 89.06 137.20  
Exercised  
Forfeited 140.09 164.40  
Weighted Average Exercise Price Ending $ 115.10 $ 152.80