Equity Compensation Plans (Details - PSU Activity) - Performance Stock Units [Member] shares in Thousands	6 Months Ended
	Oct. 31, 2023 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding beginning balance | shares	522
Weighted average grant date fair value, Outstanding beginning balance | $ / shares	$ 19.70
PSUs shares, Granted | shares	613
PSUs weighted average grant date fair value, Granted | $ / shares	$ 13.92
PSUs shares, Vested | shares	0
PSUs weighted average grant date fair value, Vested | $ / shares	$ 0
PSUs shares, Forfeited | shares	0
PSUs weighted average grant date fair value, Forfeited | $ / shares	$ 0
Outstanding ending balance | shares	1,135
Weighted average grant date fair value, Outstanding ending balance | $ / shares	$ 16.58