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Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations and Liquidity (Liquidity) (Details)

v3.8.0.1
Nature of Operations and Liquidity (Liquidity) (Details) - USD ($)
1 Months Ended 6 Months Ended
Jul. 25, 2017
Oct. 31, 2017
Oct. 31, 2016
Apr. 30, 2017
Apr. 30, 2016
Debt Instrument [Line Items]          
Approximate cash position   $ 5,379,694 $ 707,379 $ 2,756,217 $ 783,796
Proceeds from term loan   $ 4,780,572    
Secured Debt [Member] | Runway Growth Credit Fund [Member]          
Debt Instrument [Line Items]          
Debt instrument face amount $ 10,000,000        
Additional amount drown 2,500,000        
Proceeds from term loan $ 5,000,000        
LIBOR interest rate 10.00%        
Debt instrument term 4 years