Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Depreciation and Amortization Expense (Details)

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Property and Equipment - Depreciation and Amortization Expense (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Property, Plant and Equipment [Abstract]        
Property and equipment, excluding software $ 418,081 $ 158,110 $ 1,136,929 $ 490,868
Software $ 443,284 $ 366,908 $ 1,283,088 $ 1,028,668