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Company's revenue disaggregated by revenue type (Details) - USD ($)	3 Months Ended		6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Accounting Policies [Abstract]
Contract related		$ 529,437	$ 886,440	$ 840,318
Product related	1,534,727	3,401,431	3,424,822	4,838,679
Total	$ 1,534,727	$ 3,930,868	$ 4,311,262	$ 5,678,997

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