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SHAREHOLDERS’ EQUITY (Details Narrative) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Aug. 31, 2020
Aug. 30, 2020
Feb. 28, 2021
Feb. 28, 2021
Public Offering [Member]        
ShareholdersEquity [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]        
ShareholdersEquity [Line Items]        
Stock issued new, shares   273    
Nonmanagement Directors [Member]        
ShareholdersEquity [Line Items]        
Shares issued to Directors for services, shares     1,105 2,380
Shares issued to Directors for services     $ 87 $ 170
Equity Option [Member]        
ShareholdersEquity [Line Items]        
Weighted average remaining contractual life       6 years 10 months 17 days
Fair value of non-vested options     $ 20,100 $ 20,100
Fair value amortization period       3 years 8 months 23 days
Equity 2017 Incentive Plan [Member]        
ShareholdersEquity [Line Items]        
Common stock reserved for issuance under the plan     1,000 1,000