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TAX REFORM AND INCOME TAXES (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Jan. 31, 2018
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2016
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   26.87% 35.00% 35.00%
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent   26.87%    
Deferred Income Tax Expense (Benefit) $ (232,843) $ (707,511) $ (34,355) $ (32,239)
Effective Income Tax Rate ReconciliationRecognition of Deferred Tax Assets Amount   430,121 0 $ 0
Deferred Tax Assets, Operating Loss Carryforwards   19,700,000    
Operating Loss Carryforwards   $ 166,452,123    
Percentage Of Valuation Allowance Recorded From Income Taxes   100.00%    
The Tax Cuts and Jobs Act [Member]        
Deferred Tax Assets, Operating Loss Carryforwards   $ 17,700,000    
Operating Loss Carryforwards   50,400,000 $ 72,700,000  
Operating Loss Carryforwards, Valuation Allowance   22,400,000    
UNITED STATES        
Operating Loss Carryforwards   166,500,000    
CANADA        
Operating Loss Carryforwards   $ 5,496,115