Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Additional Information (Details)

v3.20.2
Stock Based Compensation - Additional Information (Details) - USD ($)
2 Months Ended 3 Months Ended 12 Months Ended
Jul. 01, 2020
Mar. 25, 2020
Aug. 31, 2020
Aug. 31, 2020
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2018
Number of shares authorized 1,235,159       1,506,096 36,073  
Exercise price (in dollars per share)         $ 5.30 $ 43.60  
Contractual life 10 years       3 years 9 months 7 days    
Vesting period 4 years            
Number of shares cancelled     148,959        
Compensation expense   $ 62,100,000     $ 1,526,000 $ 632,000  
Acceleration options         9,737    
Stock-based compensation related to acceleration options         $ 483,000    
Weighted average vesting period for unrecognized deferred share-based compensation (in years)         3 years 8 months 12 days    
Unrecognized deferred share-based compensation expense expected to be recognized     $ 6,000,000 $ 6,000,000 $ 6,000,000    
Share Based Compensation [Member]              
Compensation expense         1,300,000 $ 369,000  
Share based compensation         $ 5,700,000    
Remaining weighted average vesting periods         1 year 9 months 18 days    
Aggregate intrinsic value         $ 22,000   $ 575,000
Incentive stock options              
Number of shares authorized 995,000     270,937      
Exercise price (in dollars per share) $ 5.40            
Number of shares non-exercisable         1,357,137    
Non-qualifying stock options              
Number of shares authorized 280,159            
Minimum | Incentive stock options              
Exercise price (in dollars per share)       $ 3.44      
Maximum | Incentive stock options              
Exercise price (in dollars per share)       $ 5.40      
Vesting on July 1, 2021              
Number of shares of common stock issuable 250,000            
Vesting percentage 25.00%            
Vesting ratably over the following three years              
Number of shares of common stock issuable 3,000,000            
Vesting period 3 years