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Schedule of Accounts Receivable, Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Apr. 30, 2025	Apr. 30, 2024
Accounts Receivable Contract Assets And Contract Liabilities
Accounts receivable	$ 2,207	$ 1,191	$ 796
Contract assets	555	1,088	18
Contract liabilities	$ 135		$ 302

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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