Leases (Details - Supplemental cash flow information) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 973	$ 1,119
Operating cash flows from finance leases	141	27
Financing cash flows from finance leases	350	130
Non-cash transaction:
Unpaid finance lease obligation	$ 263	$ 0