Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Income Statement [Abstract]
Revenues	$ 424	$ 2,418	$ 1,606	$ 3,719
Cost of revenues	1,804	1,623	3,009	2,477
Gross margin	(1,380)	795	(1,403)	1,242
Operating expenses	8,743	4,710	15,798	9,630
Operating loss	(10,123)	(3,915)	(17,201)	(8,388)
Interest income/(expense), net	(564)	3	(873)	7
Other income/(expense)	(128)		(128)	17
Foreign exchange gain	(10)	(1)	(10)	(1)
Loss before income taxes	(10,825)	(3,913)	(18,212)	(8,365)
Income tax benefit
Net loss	$ (10,825)	$ (3,913)	$ (18,212)	$ (8,365)
Basic net loss per share	$ (0.06)	$ (0.04)	$ (0.10)	$ (0.09)
Diluted net loss per share	$ (0.06)	$ (0.04)	$ (0.10)	$ (0.09)
Weighted average shares used to compute basic net loss per common share	183,559,304	108,396,875	178,264,234	95,173,938
Weighted average shares used to compute diluted net loss per common share	183,559,304	108,396,875	178,264,234	95,173,938