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]
Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Income
Total
Beginning balance, shares at Apr. 30, 2019 790,670        
Beginning balance, value at Apr. 30, 2019 $ 79 $ 105,084,679 $ (100,031,371) $ (13,842) $ 5,039,545
Shares issued for compensation, shares 4,400        
Shares issued for compensation, value 368,650 368,650
Shares issued for services, shares 6,467        
Shares issued for services, value $ 1 473,140 473,141
Shares issued for cash, net of issuance costs, shares 290,888        
Shares issued for cash, net of issuance costs, value $ 29 2,662,971 2,663,000
Stock-based compensation, options 379,377 379,377
Foreign currency translation adjustment (7,867) (7,867)
Net loss (3,826,888) (3,826,888)
Ending balance, shares at Apr. 30, 2020 1,092,425        
Ending balance, value at Apr. 30, 2020 $ 109 108,968,817 (103,858,259) (21,709) 5,088,958
Shares issued for compensation, shares 4,400        
Shares issued for compensation, value 194,261 194,261
Shares issued for services, shares 2,333        
Shares issued for services, value 70,326 70,326
Shares issued for cash, net of issuance costs, shares 461,782        
Shares issued for cash, net of issuance costs, value $ 47 4,699,200 4,699,247
Shares issued for warrant exercises, shares 29,144        
Shares issued for warrant exercises, value $ 3 (3)    
Stock-based compensation, options 176,568 176,568
Foreign currency translation adjustment 1,327 1,327
Net loss (3,551,236) (3,551,236)
Ending balance, shares at Apr. 30, 2021 1,590,084        
Ending balance, value at Apr. 30, 2021 $ 159 $ 114,109,169 $ (107,409,495) $ (20,382) $ 6,679,451