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Property and Equipment - Future Amortization Expense (Details) - Software - USD ($)
Jan. 31, 2020
Apr. 30, 2019
Property, Plant and Equipment [Line Items]    
Remainder of 2020 $ 278,959  
2021 1,069,707  
2022 980,233  
2023 819,994  
2024 530,712  
Thereafter 134,799  
Net intangible assets $ 3,814,404 $ 2,963,005