Leases (Details - Operating leases assets and liabilities) - USD ($) $ in Thousands	Jul. 31, 2023	Apr. 30, 2023
Leases [Abstract]
Operating lease right-of-use assets	$ 42,374	$ 42,772
Finance Property and equipment, net	2,460	2,529
Total leased assets	44,834	45,301
Current portion of operating lease liabilities	1,262	1,358
Finance other current liabilities	539	531
Operating lease liabilities, less current portion	45,370	45,690
Finance lease liabilities, less current portion	1,424	1,562
Total lease liabilities	$ 48,595	$ 49,141