Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited)

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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Beginning balance, value at Apr. 30, 2021 $ 159 $ 114,109,169 $ (107,409,495) $ (20,382) $ 6,679,451
Beginning balance, shares at Apr. 30, 2021 1,590,084        
Stock issued for compensation 11,055 11,055
Stock issued for services 24,765 24,765
Stock issued for services, shares 1,336          
Stock issued for cash, net of issuance costs of $8,362,137 $ 2 (2)
Stock issued for cash, net of issuance costs , shares 20,251          
Stock-based compensation options 24,144 24,144
Foreign currency translation adjustment (1,615) (1,615)
Net loss (1,025,418) (1,025,418)
Ending balance, value at Jul. 31, 2021 $ 161 114,169,131 (108,434,913) (21,997) 5,712,382
Ending balance, shares at Jul. 31, 2021 1,611,671        
Beginning balance, value at Apr. 30, 2021 $ 159 114,109,169 (107,409,495) (20,382) 6,679,451
Beginning balance, shares at Apr. 30, 2021 1,590,084        
Foreign currency translation adjustment           1,291
Net loss           (2,005,164)
Ending balance, value at Oct. 31, 2021 $ 2,072 201,555,275 (109,414,659) (19,091) 92,123,597
Ending balance, shares at Oct. 31, 2021 20,715,804        
Beginning balance, value at Jul. 31, 2021 $ 161 114,169,131 (108,434,913) (21,997) 5,712,382
Beginning balance, shares at Jul. 31, 2021 1,611,671        
Stock issued for compensation 11,055 11,055
Stock issued for services 4,566 4,566
Stock issued for services, shares 668          
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 10,384 10,384
Issuance of pre-funded warrants 4,749,050   4,749,050
Stock issued fractional shares – reverse stock split  
Stock issued fractional shares reverse stock split , shares 1,653          
Foreign currency translation adjustment 2,906 2,906
Net loss (979,746) (979,746)
Ending balance, value at Oct. 31, 2021 $ 2,072 201,555,275 (109,414,659) (19,091) 92,123,597
Ending balance, shares at Oct. 31, 2021 20,715,804        
Beginning balance, value at Apr. 30, 2022 $ 2,072 201,582,107 (111,648,656) (15,757) 89,919,766
Beginning balance, shares at Apr. 30, 2022 20,721,047        
Stock issued for compensation 2,750 2,750
Stock issued for services 2,278 2,278
Stock issued for services, shares 1,002          
Stock-based compensation options 4,595 4,595
Stock issued for warrant exercise $ 88 792 880
Stock issued for warrant exercise , shares 880,000          
Foreign currency translation adjustment 1,304 1,304
Net loss (1,545,012) (1,545,012)
Repurchase of common stock $ (2,090,847) (2,090,847)
Repurchase of common stock, shares     (851,981)      
Ending balance, value at Jul. 31, 2022 $ 2,160 201,592,522 $ (2,090,847) (113,193,668) (14,453) 86,295,714
Ending balance, shares at Jul. 31, 2022 21,602,049   (851,981)      
Beginning balance, value at Apr. 30, 2022 $ 2,072 201,582,107 (111,648,656) (15,757) 89,919,766
Beginning balance, shares at Apr. 30, 2022 20,721,047        
Foreign currency translation adjustment           584
Net loss           (3,425,519)
Ending balance, value at Oct. 31, 2022 $ 2,160 201,600,651 $ (5,475,891) (115,074,175) (15,173) 81,037,572
Ending balance, shares at Oct. 31, 2022 21,602,078   (2,075,134)      
Beginning balance, value at Jul. 31, 2022 $ 2,160 201,592,522 $ (2,090,847) (113,193,668) (14,453) 86,295,714
Beginning balance, shares at Jul. 31, 2022 21,602,049   (851,981)      
Stock issued for compensation 3,917 3,917
Stock-based compensation options 4,212 4,212
Stock issued fractional shares – reverse stock split  
Stock issued fractional shares reverse stock split , shares 29          
Foreign currency translation adjustment (720) (720)
Net loss (1,880,507) (1,880,507)
Repurchase of common stock $ (3,385,044) (3,385,044)
Repurchase of common stock, shares     (1,223,153)      
Ending balance, value at Oct. 31, 2022 $ 2,160 $ 201,600,651 $ (5,475,891) $ (115,074,175) $ (15,173) $ 81,037,572
Ending balance, shares at Oct. 31, 2022 21,602,078   (2,075,134)