Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock, Common [Member]
AOCI Attributable to Parent [Member]
Total
Beginning balance, value at Apr. 30, 2021 $ 159 $ 114,109,169 $ (107,409,495) $ 0 $ (20,382) $ 6,679,451
Beginning balance, shares at Apr. 30, 2021 1,590,084     0    
Stock issued for compensation 33,146 33,146
Stock issued for compensation, shares 4,400          
Stock issued for services 34,846 34,846
Stock issued for services, shares 2,338          
Stock issued for cash, net of issuance costs of $8,362,137 $ 1,911 82,611,089 82,613,000
Stock issued for cash, net of issuance costs , shares 19,101,812          
Stock-based compensation - options 44,810 44,810
Issuance of pre-funded warrants 4,749,049 4,749,049
Stock issued fractional shares - reverse stock split $ 2 (2)
Stock issued fractional shares - reverse stock split , shares 22,413          
Foreign currency translation adjustment 4,625 4,625
Net loss (4,239,161) (4,239,161)
Ending balance, value at Apr. 30, 2022 $ 2,072 201,582,107 (111,648,656) (15,757) 89,919,766
Ending balance, shares at Apr. 30, 2022 20,721,047     0    
Stock issued for compensation 7,334 7,334
Stock issued for services 2,278 2,278
Stock issued for services, shares 1,002          
Stock issued for warrant exercise $ 88 792 880
Stock issued for warrant exercise, shares 880,000          
Stock-based compensation - options 638,072 638,072
Stock issued fractional shares - reverse stock split
Stock issued fractional shares - reverse stock split , shares 29          
Gain on de-consolidation of subsidiary 5,876 5,876
Foreign currency translation adjustment (7,246) (7,246)
Net loss (4,315,993) (4,315,993)
Repurchase of common stock $ (13,560,623) (13,560,623)
Repurchase of common stock, shares       (4,808,098)    
Ending balance, value at Apr. 30, 2023 $ 2,160 $ 202,230,583 $ (115,958,773) $ (13,560,623) $ (23,003) $ 72,690,344
Ending balance, shares at Apr. 30, 2023 21,602,078     (4,808,098)