Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Additional Information (Details)

v3.21.1
Stock Based Compensation - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jul. 01, 2020
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2021
Feb. 29, 2020
Aug. 31, 2020
Number of shares of common stock issuable   250,000   250,000    
Options shares       1,781,355    
Options outstanding   1,822,173   1,822,173   1,398,740
Vesting period 4 years          
Compensation expense   $ 423,000 $ 619,000 $ 919,000 $ 745,000  
Weighted average vesting period for unrecognized deferred share-based compensation (in years)       3 years 3 months 18 days    
Unrecognized deferred share-based compensation expense expected to be recognized   $ 5,300,000   $ 5,300,000    
Share Based Compensation [Member]            
Option forfeited       40,000    
Common share issuable       209,000    
Common shares issued       167,000    
Common shares issued to grant       209,000    
Options outstanding   40,818   40,818    
Compensation expense   $ 441,000 $ 556,000 $ 863,000 $ 670,000  
Aggregate intrinsic value       $ 116,000    
Minimum            
Number of shares of common stock issuable 250,000          
Maximum            
Number of shares of common stock issuable 3,000,000          
Vesting on July 1, 2020            
Vesting period 1 year          
Vesting percentage 25.00%          
Vesting prior to July 1, 2020            
Contractual life       12 months    
Vesting percentage       25.00%    
Board of Directors [Member]            
Options shares       93,000    
Designated shares       7,000