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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] Ìý Ìý Ìý Ìý Ìý
Approximate cash position Ìý $ 7,723,808 $ 7,723,808 $ 5,379,694 $ 14,612,559
Restricted cash Ìý 190,506 190,506 Ìý 190,506
Expected investment Ìý 600,000 600,000 Ìý Ìý
Cash used in operating activities Ìý 5,487,423 5,487,423 1,673,058 Ìý
Cash used during period Ìý $ 6,888,751 $ 6,888,751 $ (2,623,477) Ìý
Secured Debt [Member] Ìý Ìý Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý Ìý
Proceeds from shares issued Ìý Ìý Ìý Ìý $ 23,023,000
Share price Ìý Ìý Ìý Ìý $ 7.15
Sale of equity Ìý Ìý Ìý Ìý 3,220,000
Repayment of loan Ìý Ìý Ìý Ìý $ 7,500,000
Convertible Notes Payable [Member] | Subsequent Event [Member] Ìý Ìý Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý Ìý
Amount of principal and accrued interest paid $ 1,160,000 Ìý Ìý Ìý Ìý