Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY

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CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Beginning balance, value at Apr. 30, 2020 $ 109 $ 108,968,817 $ (103,858,259) $ (21,709) $ 5,088,958
Shares, Outstanding, Beginning Balance at Apr. 30, 2020 1,092,425        
Stock issued for compensation 194,261 194,261
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture 4,400        
Stock issued for services 70,326 70,326
Stock Issued During Period, Shares, Issued for Services 2,333        
Stock issued for cash, net of cash issuance costs of $8,362,137 $ 47 4,699,200 4,699,247
Stock Issued During Period, Shares, New Issues 461,782        
Stock issued for warrant exercises $ 3 (3)    
Stock Issued During Period, Shares, Conversion of Convertible Securities 29,144        
Stock-based compensation - options 176,568 176,568
Foreign currency translation adjustments 1,327 1,327
Net loss (3,551,236) (3,551,236)
Ending balance, value at Apr. 30, 2021 $ 159 114,109,169 (107,409,495) (20,382) 6,679,451
Shares, Outstanding, Ending Balance at Apr. 30, 2021 1,590,084        
Stock issued for compensation 33,146 33,146
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture 4,400        
Stock issued for services 34,846 34,846
Stock Issued During Period, Shares, Issued for Services 2,338        
Stock issued for cash, net of cash issuance costs of $8,362,137 $ 1,911 82,611,089 82,613,000
Stock Issued During Period, Shares, New Issues 19,101,812        
Stock-based compensation - options 44,810 44,810
Reverse stock split adjustment $ 2 (2)    
Stock issued fractions shares -reverse stock split 1 for 1,500, shares 22,413        
Foreign currency translation adjustments 4,625 4,625
Net loss (4,239,161) (4,239,161)
Issuance of pre-funded warrants 4,749,049 4,749,049
Ending balance, value at Apr. 30, 2022 $ 2,072 $ 201,582,107 $ (111,648,656) $ (15,757) $ 89,919,766
Shares, Outstanding, Ending Balance at Apr. 30, 2022 20,721,047