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Promissory Notes (Details Textual) - USD ($)
3 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Jul. 31, 2018
Promissory Notes (Textual)      
Interest Expense $ 49,800 $ 49,800  
Current portion long-term debt 21,535,000   $ 4,035,000
Total long-term debt $ 12,500,000   $ 17,500,000
Promissory Notes One [Member]      
Promissory Notes (Textual)      
Notes payable, issuance date Jan. 15, 2014    
Notes payable, maturity date Jan. 15, 2015    
Notes payable, rate of interest 12.00%   12.00%
Promissory Notes Two [Member]      
Promissory Notes (Textual)      
Notes payable, issuance date Feb. 14, 2014    
Notes payable, maturity date Feb. 14, 2015    
Notes payable, rate of interest 12.00%   12.00%
Promissory Notes Three [Member]      
Promissory Notes (Textual)      
Notes payable, issuance date Apr. 01, 2014    
Notes payable, maturity date Apr. 01, 2015    
Notes payable, rate of interest 12.00%   12.00%
Promissory Notes Four [Member]      
Promissory Notes (Textual)      
Notes payable, issuance date Jan. 30, 2014    
Notes payable, maturity date Jan. 30, 2015    
Notes payable, rate of interest 12.00%   12.00%
Promissory Notes Fiver [Member]      
Promissory Notes (Textual)      
Notes payable, issuance date Mar. 08, 2018    
Notes payable, maturity date Mar. 08, 2019    
Notes payable, rate of interest 10.00%   10.00%
Promissory Notes Six [Member]      
Promissory Notes (Textual)      
Notes payable, issuance date Jul. 20, 2018    
Notes payable, maturity date Oct. 01, 2019    
Notes payable, rate of interest 0.00%   0.00%
Promissory Notes Seven [Member]      
Promissory Notes (Textual)      
Notes payable, issuance date Jan. 09, 2019    
Notes payable, maturity date Jan. 09, 2020    
Notes payable, rate of interest 12.00%   12.00%