Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited)

v3.21.2
Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Preferred Stock Series F [Member]
Preferred Stock Series G [Member]
Preferred Stock Series H [Member]
Preferred Stock Series I [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Apr. 30, 2020 $ 2,903 $ 41,093,050 $ (31,587,952) $ 9,508,001
Beginning balance, shares at Apr. 30, 2020 57 2,903,393      
Conversion of preferred stock into common stock $ 21 (21)
Conversion of preferred stock into common stock, shares (57) 20,357      
Stock options granted for services 51,262 51,262
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants $ 2 20,216 20,218
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants, shares 1,875      
Net loss (957,120) (957,120)
Ending balance, value at Jul. 31, 2020 $ 2,926 41,164,507 (32,545,072) 8,622,361
Ending balance, shares at Jul. 31, 2020 2,925,625      
Beginning balance, value at Apr. 30, 2021 $ 7,065 74,467,686 (43,975,046) 30,499,705
Beginning balance, shares at Apr. 30, 2021 7,065,621      
Stock options granted for services               0
Issuance of common stock for prepaid services $ 25 258,475 258,500
Issuance of common stock for prepaid services,shares 25,000      
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants 232,443 232,443
Stock-based compensation in connection with restricted common stock award grants and restricted common stock unit grants, shares      
Net loss (3,549,715) (3,549,715)
Ending balance, value at Jul. 31, 2021 $ 7,090 $ 74,958,604 $ (47,524,761) $ 27,440,933
Ending balance, shares at Jul. 31, 2021 7,090,621