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Property and Equipment - Summary of Property and Equipment (Details) - USD ($)
Jul. 31, 2019
Apr. 30, 2019
Property, Plant and Equipment [Abstract]    
Furniture and fixtures $ 221,346 $ 193,737
Computer equipment and software 100,961 91,223
Leasehold improvements 85,064 82,981
Office equipment 28,310 30,601
Total property and equipment 435,681 398,542
Accumulated depreciation and amortization (121,298) (91,018)
Property and equipment, net $ 314,383 $ 307,524