Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations and Liquidity (Liquidity) (Details)

v3.10.0.1
Nature of Operations and Liquidity (Liquidity) (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 03, 2018
Oct. 31, 2018
Oct. 31, 2018
Oct. 31, 2017
Apr. 30, 2018
Debt Instrument [Line Items]          
Approximate cash position   $ 7,723,808 $ 7,723,808 $ 5,379,694 $ 14,612,559
Restricted cash   190,506 190,506   190,506
Expected investment   600,000 600,000    
Cash used in operating activities   5,487,423 5,487,423 1,673,058  
Cash used during period   $ 6,888,751 $ 6,888,751 $ (2,623,477)  
Secured Debt [Member]          
Debt Instrument [Line Items]          
Proceeds from shares issued         $ 23,023,000
Share price         $ 7.15
Sale of equity         3,220,000
Repayment of loan         $ 7,500,000
Convertible Notes Payable [Member] | Subsequent Event [Member]          
Debt Instrument [Line Items]          
Amount of principal and accrued interest paid $ 1,160,000