Quarterly report pursuant to Section 13 or 15(d)

Commitments - Additional Information (Details)

v3.20.4
Commitments - Additional Information (Details) - USD ($)
shares in Millions
3 Months Ended
Nov. 30, 2020
Nov. 30, 2019
Jul. 09, 2019
Apr. 15, 2016
Employer contribution plan $ 0 $ 0    
Repurchase of Common Stock     10  
Irvine Facility [Member]        
Term of operating lease       5 years