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SHAREHOLDERS’ EQUITY (Details Narrative) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 31, 2020 | Aug. 30, 2020 | May 31, 2021 | May 31, 2021
Public Offering [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock issued new, shares | 2,100 |  |  |
Stock price | $ 55.00 |  |  |
Gross proceeds from public offering |  | $ 115,000 |  |
Net proceeds from sale of stock |  | $ 107,700 |  |
Public Offering [Member] | Underwriters [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock issued new, shares |  | 273 |  |
Nonmanagement Directors [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares issued to Directors for services, shares |  |  | 1,385 | 3,765
Shares issued to Directors for services |  |  | $ 87 | $ 257
Equity Option [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted average remaining contractual life |  |  |  | 6 years 8 months 4 days
Fair value of non-vested options |  |  | $ 9,400 | $ 9,400
Fair value amortization period |  |  |  | 3 years 6 months 18 days
Equity 2017 Incentive Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock reserved for issuance under the plan |  |  | 1,000 | 1,000

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