Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE STOCK PLANS - Non-Vested Options (Details)

v3.24.2
EMPLOYEE STOCK PLANS - Non-Vested Options (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
May 22, 2024
$ / shares
shares
Jan. 17, 2024
item
$ / shares
shares
Sep. 19, 2023
shares
Jan. 11, 2023
item
$ / shares
shares
Sep. 14, 2022
shares
May 31, 2024
USD ($)
$ / shares
shares
May 31, 2023
USD ($)
$ / shares
shares
May 31, 2024
USD ($)
$ / shares
shares
May 31, 2023
USD ($)
$ / shares
shares
Aug. 31, 2023
$ / shares
shares
Stock Options [Abstract]                    
Share-based compensation expense | $               $ 380 $ 559  
2014 and 2024 Equity Plan                    
Number of Options [Roll Forward]                    
Non-vested options outstanding, beginning of period (in shares)               111,000 232,998 232,998
Vested (in shares)               (52,000) (101,998)  
Non-vested options outstanding, end of period (in shares)           59,000 131,000 59,000 131,000 111,000
Weighted Average Grant Date Fair Value [Abstract]                    
Non-vested options outstanding, beginning of period (in dollars per share) | $ / shares               $ 4.43 $ 4.47 $ 4.47
Vested (in dollars per share) | $ / shares               4.41 4.40  
Non-vested options outstanding, end of period (in dollars per share) | $ / shares           $ 4.45 $ 4.54 $ 4.45 $ 4.54 $ 4.43
Stock Options [Abstract]                    
Share-based compensation expense | $           $ 100 $ 100 $ 400 $ 600  
Unrecognized compensation expenses | $           $ 200   $ 200    
Weighted-average period for options expected to vest               2 years    
2014 and 2024 Equity Plan | Employees                    
Stock Options [Abstract]                    
Restricted shares         6,000          
2014 and 2024 Equity Plan | Employees | Vesting at grant date                    
Stock Options [Abstract]                    
Vesting rights percentage         20.00%          
2014 and 2024 Equity Plan | Employees | Vesting at anniversary                    
Stock Options [Abstract]                    
Restricted shares     8,000              
Vesting rights percentage     20.00%   20.00%          
Vesting period     4 years   4 years          
2014 and 2024 Equity Plan | Non-Employee Board Members                    
Number of Options [Roll Forward]                    
Granted (in shares) 1,608 3,006   3,033            
Stock Options [Abstract]                    
Number of Board Members | item   6   6            
Stock price (in dollars per share) | $ / shares $ 9.33 $ 9.98   $ 9.89            
2014 and 2024 Equity Plan | Executive Officer                    
Stock Options [Abstract]                    
Restricted shares       50,000            
Fully vested restricted stock                   10,000
Restricted stock units, Forfeited                   40,000