Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Schedule of Property and Equipment) (Details)

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Property and Equipment (Schedule of Property and Equipment) (Details) - USD ($)
Jan. 31, 2017
Apr. 30, 2016
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 2,443,656 $ 2,829,319
Accumulated depreciation and amortization (1,107,836) (1,680,687)
Property and equipment, net 1,335,820 1,148,632
Call Center Hardware [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 33,794 79,199
Computer And Office Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 86,496 67,773
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 231,706 114,964
Software [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 2,091,660 $ 2,567,383