Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES (Details)

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INCOME TAXES (Details) - USD ($)
3 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Aug. 31, 2019
INCOME TAXES [Abstract]      
Income tax expense $ 1,887,119 $ 0  
Current income tax expense 1,168,300    
Deferred income tax expense (benefit) $ 718,810 0  
Estimated annual effective tax rate 25.00%    
Effective tax rate 24.70%    
Income taxes paid $ 0 $ 0  
Deferred tax assets (liabilities) [Abstract]      
Net operating loss carryforwards 0   $ 609,439
Accrued compensation 0   113,559
Deferred revenues 134,670   149,895
Depreciation and depletion (52,976)   (46,408)
Non-qualified stock options 436,614   410,633
Other 46,128   46,128
Net deferred tax asset $ 564,436   1,283,246
Net Operating Loss Carryforwards [Abstract]      
Net operating loss carryforwards     $ 2,500,000
Federal [Member] | Minimum [Member]      
Net Operating Loss Carryforwards [Abstract]      
Operating loss carryforwards, expiry period Aug. 31, 2036    
Federal [Member] | Maximum [Member]      
Net Operating Loss Carryforwards [Abstract]      
Operating loss carryforwards, expiry period Aug. 31, 2038    
State [Member] | Minimum [Member]      
Net Operating Loss Carryforwards [Abstract]      
Operating loss carryforwards, expiry period Aug. 31, 2035    
State [Member] | Maximum [Member]      
Net Operating Loss Carryforwards [Abstract]      
Operating loss carryforwards, expiry period Aug. 31, 2036