Debt (Details - Interest expense) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
2029 Notes [Member]
Short-Term Debt [Line Items]
Total interest expense	$ 2,238
2026 Notes [Member]
Short-Term Debt [Line Items]
Total interest expense		$ 723
Contractual Interest [Member] | 2029 Notes [Member]
Short-Term Debt [Line Items]
Total interest expense	1,964
Contractual Interest [Member] | 2026 Notes [Member]
Short-Term Debt [Line Items]
Total interest expense		458
Amortization Of Issuance Costs [Member] | 2029 Notes [Member]
Short-Term Debt [Line Items]
Total interest expense	$ 274
Amortization Of Issuance Costs [Member] | 2026 Notes [Member]
Short-Term Debt [Line Items]
Total interest expense		$ 265