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SHAREHOLDERS' EQUITY, Stock Option Activity (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 13, 2021 BoardMember $ / shares shares | Feb. 28, 2021 USD ($) $ / shares shares | Feb. 29, 2020 USD ($) | Feb. 28, 2021 USD ($) $ / shares shares | Feb. 29, 2020 USD ($) shares | Aug. 31, 2020 USD ($) $ / shares shares | Aug. 30, 2020 shares
Stock Options [Abstract] |  |  |  |  |  |  |
Share-based compensation expense | $ |  |  |  | $ 313 | $ 353 |  |
2014 Equity Plan [Member] |  |  |  |  |  |  |
Shareholders' Equity [Abstract] |  |  |  |  |  |  |
Shares reserved for issuance (in shares) |  | 1,600,000 |  | 1,600,000 |  |  |
Shares available for grant (in shares) |  | 970,723 |  | 970,723 |  |  | 1,088,500
2004 Incentive Plan and 2014 Equity Plan [Member] |  |  |  |  |  |  |
Number of Options [Roll Forward] |  |  |  |  |  |  |
Outstanding, beginning of period (in shares) |  |  |  | 661,500 |  |  |
Granted (in shares) |  |  |  | 115,000 |  |  |
Exercised (in shares) |  |  |  | (5,000) |  |  |
Net settlement exercised (in shares) |  |  |  | (24,500) | 0 |  |
Outstanding, end of period (in shares) |  | 747,000 |  | 747,000 |  | 661,500 |
Options exercisable (in shares) |  | 528,667 |  | 528,667 |  |  |
Weighted Average Exercise Price [Roll Forward] |  |  |  |  |  |  |
Outstanding, beginning of period (in dollars per share) | $ / shares |  |  |  | $ 7.23 |  |  |
Granted (in dollars per share) | $ / shares |  |  |  | 9.00 |  |  |
Exercised (in dollars per share) | $ / shares |  |  |  | 2.76 |  |  |
Net settlement exercised (in dollars per share) | $ / shares |  |  |  | 3.07 |  |  |
Outstanding, end of period (in dollars per share) | $ / shares |  | $ 7.64 |  | 7.64 |  | $ 7.23 |
Options exercisable (in dollars per share) | $ / shares |  | $ 6.78 |  | $ 6.78 |  |  |
Stock Options [Abstract] |  |  |  |  |  |  |
Weighted average remaining contractual term |  |  |  | 6 years 8 months 5 days |  | 6 years 2 months 1 day |
Weighted average remaining contractual term, options exercisable |  |  |  | 5 years 7 months 10 days |  |  |
Approximate aggregate intrinsic value, outstanding | $ |  | $ 3,078 |  | $ 3,078 |  | $ 1,831 |
Approximate aggregate intrinsic value, options exercisable | $ |  | 2,634 |  | 2,634 |  |  |
Share-based compensation expense | $ |  | $ 200 | $ 200 | $ 300 | $ 300 |  |
Shares issued (in shares) |  | 3,159 |  | 15,277 |  |  |
Options cancelled (in shares) |  | 3,341 |  | 9,223 |  |  |
2004 Incentive Plan and 2014 Equity Plan [Member] | Non-Employee Board Members [Member] |  |  |  |  |  |  |
Number of Options [Roll Forward] |  |  |  |  |  |  |
Granted (in shares) | 2,000 |  |  |  |  |  |
Stock Options [Abstract] |  |  |  |  |  |  |
Number of board members | BoardMember | 6 |  |  |  |  |  |
Stock price (in dollars per share) | $ / shares | $ 11.33 |  |  |  |  |  |
Share-based compensation expense | $ |  | $ 100 |  |  |  |  |

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