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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