v3.26.1
Consolidated Statements of Changes in Stockholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
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      
Issuance of common stock for cash, net of offering cost $ 1,458 10,144,165 10,145,623
Issuance of common stock for cash, net of offering cost, shares 1,457,700      
Issuance of common stock for exercise of stock warrants $ 465 2,326,983 2,327,448
Issuance of common stock for exercise of stock warrants, shares 464,668      
Issuance of common stock for services including accrued and prepaid services $ 30 119,970 120,000
Issuance of common stock for services including accrued and prepaid services, shares 30,212      
Issuance of common stock for vested restricted common stock unit $ 8 (8)
Issuance of common stock for vested restricted stock unit, shares 7,927      
Accretion of stock based compensation in connection with stock option grants 1,091,032 1,091,032
Stock-based compensation in connection with restricted common stock award grants and restricted and deferred common stock unit grants 1,000,871 1,000,871
Net loss (20,559,122) $ (20,559,122)
Issuance of common stock for exercise of stock options, shares      
Balance at Apr. 30, 2025 $ 12,693 104,980,837 (93,407,223) $ 11,586,307
Balance, shares at Apr. 30, 2025 12,692,784      
Issuance of common stock for cash, net of offering cost $ 1,960 31,693,453 31,695,413
Issuance of common stock for cash, net of offering cost, shares 1,960,700      
Issuance of common stock for exercise of stock warrants $ 1,509 10,855,577 10,857,086
Issuance of common stock for exercise of stock warrants, shares 1,508,940      
Issuance of common stock for services including accrued and prepaid services $ 37 313,772 313,809
Issuance of common stock for services including accrued and prepaid services, shares 37,141      
Accretion of stock based compensation in connection with stock option grants 637,921 637,921
Stock-based compensation in connection with restricted common stock award grants and restricted and deferred common stock unit grants 661,125 661,125
Net loss (17,208,080) (17,208,080)
Issuance of common stock for exercise of stock options $ 15 74,737 $ 74,752
Issuance of common stock for exercise of stock options, shares 14,287     17,702
Issuance of common stock for cashless exercise of stock warrants $ 312 (312)
Issuance of common stock for cashless exercise of stock warrants, shares 312,311      
Reclassification of warrant liability into equity upon exercise of warrants 10,136,100 10,136,100
Balance at Apr. 30, 2026 $ 16,526 $ 159,353,210 $ (110,615,303) $ 48,754,433
Balance, shares at Apr. 30, 2026 16,526,163