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SHAREHOLDERS' EQUITY (Details Narrative) - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common Stock, Value, Issued $ 10 $ 10  
Common Stock and Additional Paid in Capital $ 133,400 $ 128,500  
Non Management Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture 5,620 7,205 8,686
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture $ 345 $ 290 $ 212
Equity Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average remaining contractual life 6 years 5 months 19 days    
Fair value of non-vested options $ 6,300    
Fair value amortization period 3 years 5 months 4 days    
Equity 2007 Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock reserved for issuance under the plan 1,000    
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    
Equity 2021 Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock reserved for issuance under the plan 1,300