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Geographic Information (Details) - USD ($)	12 Months Ended
Geographic Information (Details) - USD ($)	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Product Information
Fixed assets deployed	$ 166,719,000	$ 50,704,000
UxS \| UGV
Product Information
Fixed assets deployed	5,062,000	5,033,000
UxS \| MUAS
Product Information
Deploys in-service assets	$ 5,472,000	1,486,000
Sales Revenue \| Country of Ukraine
Product Information
Revenues		$ 149,600,000	$ 274,136,000
Customer concentration \| Sales Revenue \| Non-U.S. customers
Product Information
Percentage of revenue	28.00%	52.00%	62.00%
Customer concentration \| Sales Revenue \| Country of Ukraine
Product Information
Percentage of revenue		18.00%	38.00%