Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Apr. 30, 2023	$ 9,296	$ 84,799,263	$ (65,950,618)	$ 18,857,941
Balance, shares at Apr. 30, 2023	9,295,837
Accretion of stock based compensation in connection with stock option grants		7,402		7,402
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants		184,531		184,531
Net loss			(2,894,683)	(2,894,683)
Balance at Jul. 31, 2023	$ 9,296	84,991,196	(68,845,301)	16,155,191
Balance, shares at Jul. 31, 2023	9,295,837
Balance at Apr. 30, 2024	$ 10,732	90,297,824	(72,848,101)	17,460,455
Balance, shares at Apr. 30, 2024	10,732,277
Accretion of stock based compensation in connection with stock option grants		7,402		7,402
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants		9,375		9,375
Net loss			(4,325,305)	(4,325,305)
Balance at Jul. 31, 2024	$ 10,732	$ 90,314,601	$ (77,173,406)	$ 13,151,927
Balance, shares at Jul. 31, 2024	10,732,277