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Stock compensation expense by functional category (Details) - USD ($)	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Share-Based Payment Arrangement [Abstract]
Research and development	$ 395,105	$ 692,947
Sales and marketing	562,110	566,153
General and administrative	2,652,052	2,397,624
Total	$ 3,609,267	$ 3,656,724

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