Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED)

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - 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
Beginning balance, shares at Apr. 30, 2020 1,092,425        
Stock issued for compensation 67,320 67,320
Stock issued for services 40,550 40,550
Stock issued for services, shares 1,667        
Stock issued for cash, net of issuance costs of $278,150 $ 16 1,857,381 1,857,397
Stock issued for cash, net of issuance costs, shares 156,004        
Stock-based compensation options 72,317 72,317
Foreign currency translation adjustment 2,677 2,677
Net loss (883,944) (883,944)
Ending balance, value at Jul. 31, 2020 $ 125 111,006,385 (104,742,203) (19,032) 6,245,275
Ending balance, shares at Jul. 31, 2020 1,250,096        
Beginning balance, value at Apr. 30, 2020 $ 109 108,968,817 (103,858,259) (21,709) 5,088,958
Beginning balance, shares at Apr. 30, 2020 1,092,425        
Ending balance, value at Oct. 31, 2020 $ 156 113,990,642 (105,692,395) (21,884) 8,276,619
Ending balance, shares at Oct. 31, 2020 1,556,540        
Beginning balance, value at Jul. 31, 2020 $ 125 111,006,385 (104,742,203) (19,032) 6,245,275
Beginning balance, shares at Jul. 31, 2020 1,250,096        
Stock issued for compensation 67,320 67,320
Stock issued for services 19,159 19,159
Stock issued for services, shares 667        
Stock issued for cash, net of issuance costs of $278,150 $ 31 2,841,819 2,841,850
Stock issued for cash, net of issuance costs, shares 305,777        
Stock-based compensation options 56,059 56,059
Foreign currency translation adjustment (2,852) (2,852)
Net loss (950,192) (950,192)
Ending balance, value at Oct. 31, 2020 $ 156 113,990,642 (105,692,395) (21,884) 8,276,619
Ending balance, shares at Oct. 31, 2020 1,556,540        
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 fractions shares -reverse stock split 1 for 1,500 $ 2 (2)
Stock issued fractions shares -reverse stock split 1 for 1,500, 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        
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 $278,150 $ 1,911 82,611,089 82,613,000
Stock issued for cash, net of issuance costs, shares 19,101,812        
Stock issued fractions shares -reverse stock split 1 for 1,500
Stock issued fractions shares -reverse stock split 1 for 1,500, shares 1,653        
Stock-based compensation options 10,384 10,384
Issuance of pre-funded warrants 4,749,050 4,749,050
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