Property and Equipment - Narrative (Details) - USD ($)	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 2,200,000	$ 1,600,000
Finance lease, depreciation and amortization expenses	2,100,000	1,500,000
Assets under finance lease	1,000,000	713,000
Servicing asset at gross capitalized amount	1,900,000
Hosting arrangement, amortization expense	630,000	317,000
Servicing asset	807,000
2022 Finance Lease
Property, Plant and Equipment [Line Items]
Finance lease costs	$ 370,000	370,000
Present value of minimum future obligations interest rate	3.25%
Finance lease, depreciation and amortization expense	$ 72,000	87,000
2023 Finance Lease
Property, Plant and Equipment [Line Items]
Finance lease costs	$ 368,000
Present value of minimum future obligations interest rate	3.50%
Finance lease, depreciation and amortization expense	$ 63,000	0
Finance Leased Assets
Property, Plant and Equipment [Line Items]
Depreciation	$ 135,000	$ 87,000
Capitalized software development costs
Property, Plant and Equipment [Line Items]
Useful life	3 years