Net Income (Loss) Per Common Share (Details - Reconciliation of per share) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Numerator:
Net income (loss)	$ (2,093)	$ 1,564
Denominator:
Weighted average basic common shares outstanding	62,838	61,905
Effect of dilutive securities:
Stock options	0	1,195
RSUs and ESPP	0	233
Weighted average dilutive common shares outstanding	62,838	63,333
Net income (loss) per share:
Basic	$ (0.03)	$ 0.03
Diluted	$ (0.03)	$ 0.02