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, 2018
Apr. 30, 2017
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 3,528,948 $ 2,544,725
Accumulated depreciation and amortization (1,161,030) (1,090,010)
Total property and equipment, net 2,367,918 1,454,715
Call Center Hardware [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 96,305 53,748
Computer And Office Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 130,137 103,649
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 712,209 255,984
Software [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 2,590,297 $ 2,131,344