Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE STOCK PLANS - Non-Vested Options (Details)

v3.22.4
EMPLOYEE STOCK PLANS - Non-Vested Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 14, 2022
Nov. 30, 2022
Nov. 30, 2021
Stock Options [Abstract]      
Restricted shares   6,000  
Stock-based compensation expense   $ 100  
Share-based compensation expense   $ 93 $ 112
Vesting at grant date      
Stock Options [Abstract]      
Vesting rights percentage 20.00%    
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  
Vested (in shares)   (101,998)  
Non-vested options outstanding, end of period (in shares)   131,000  
Weighted Average Grant Date Fair Value [Abstract]      
Non-vested options outstanding, beginning of period (in dollars per share)   $ 4.47  
Vested (in dollars per share)   4.40  
Non-vested options outstanding, end of period (in dollars per share)   $ 4.54  
Stock Options [Abstract]      
Unrecognized compensation expenses   $ 300  
Weighted-average period for options expected to vest   2 years  
2004 Incentive Plan and 2014 Equity Plan [Member] | Maximum [Member]      
Stock Options [Abstract]      
Share-based compensation expense   $ 100 $ 100