Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE STOCK PLANS - Non-Vested Options (Details)

v3.23.1
EMPLOYEE STOCK PLANS - Non-Vested Options (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jan. 11, 2023
item
$ / shares
shares
Sep. 14, 2022
shares
Jan. 12, 2022
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$ / shares
shares
Feb. 28, 2023
USD ($)
$ / shares
shares
Feb. 28, 2022
USD ($)
$ / shares
shares
Feb. 28, 2023
USD ($)
$ / shares
shares
Feb. 28, 2022
USD ($)
$ / shares
shares
Stock Options [Abstract]              
Share-based compensation expense | $           $ 461 $ 371
Employees [Member]              
Stock Options [Abstract]              
Restricted shares   6,000          
Employees [Member] | Vesting at grant date              
Stock Options [Abstract]              
Vesting rights percentage   20.00%          
Employees [Member] | Vesting at anniversary              
Stock Options [Abstract]              
Vesting rights percentage   20.00%          
Vesting period   4 years          
2014 Equity Plan [Member]              
Stock Options [Abstract]              
Share-based compensation expense | $       $ 400 $ 300 500 $ 400
Unrecognized compensation expenses | $       500   $ 500  
Weighted-average period for options expected to vest           2 years  
2014 Equity Plan [Member] | Non-Employee Board Members [Member]              
Number of Options [Roll Forward]              
Granted (in shares) 3,033   2,000        
Stock Options [Abstract]              
Number of Board Members | item 6   6        
Stock price (in dollars per share) | $ / shares $ 9.89   $ 13.23        
Share-based compensation expense | $       $ 200 $ 200    
2014 Equity Plan [Member] | Executive Officer [Member]              
Stock Options [Abstract]              
Restricted shares 50,000            
2014 Equity Plan [Member] | Executive Officer [Member] | Vesting at grant date              
Stock Options [Abstract]              
Vesting rights percentage 20.00%            
2014 Equity Plan [Member] | Executive Officer [Member] | Vesting at anniversary              
Stock Options [Abstract]              
Vesting rights percentage 20.00%            
Vesting period 4 years            
2004 Incentive Plan and 2014 Equity Plan [Member]              
Number of Options [Roll Forward]              
Non-vested options outstanding, beginning of period (in shares)           232,998 218,333
Granted (in shares)             105,000
Vested (in shares)           (101,998) (87,002)
Forfeited (in shares)             (3,333)
Non-vested options outstanding, end of period (in shares)       131,000 232,998 131,000 232,998
Weighted Average Grant Date Fair Value [Abstract]              
Non-vested options outstanding, beginning of period (in dollars per share) | $ / shares           $ 4.47 $ 4.04
Granted (in dollars per share) | $ / shares             5.16
Vested (in dollars per share) | $ / shares           4.40 4.21
Forfeited (in dollars per share) | $ / shares             4.21
Non-vested options outstanding, end of period (in dollars per share) | $ / shares       $ 4.54 $ 4.47 $ 4.54 $ 4.47