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Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Schedule of Software, Net) (Details)

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Property and Equipment (Schedule of Software, Net) (Details) - USD ($)
Jan. 31, 2018
Apr. 30, 2017
Property, Plant and Equipment [Line Items]    
Intangible asset, gross $ 9,916,667
Intangible asset, net 137,557 145,477
Software [Member]    
Property, Plant and Equipment [Line Items]    
Intangible asset, gross 2,590,297 2,131,344
Accumulated amortization (1,012,655) (994,017)
Intangible asset, net $ 1,577,642 $ 1,137,327