Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES (Details)

v3.20.4
INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2020
Nov. 30, 2019
Aug. 31, 2020
INCOME TAXES [Abstract]      
Income tax expense $ 260 $ 1,887  
Current income tax expense 200 1,200  
Deferred income tax expense $ 126 $ 719  
Estimated annual effective tax rate 25.00%    
Effective tax rate 24.60% 24.70%  
Income taxes paid $ 0 $ 0  
Deferred Tax Assets (Liabilities) [Abstract]      
Net operating loss carryforwards 0   $ 23
Accrued compensation 33   167
Deferred revenues 76   89
Depreciation and depletion (1,672)   (1,701)
Non-qualified stock options 505   491
Other 46   45
Net deferred tax liability $ (1,012)   $ (886)