Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY

v3.21.2
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Total
Common Stock
Additional Paid-In Capital
Treasury Stock
Accumulated Deficit
Beginning balance at Apr. 30, 2019 $ 26,461,428 $ 18,666 $ 68,562,727 $ (70,000) $ (42,049,965)
Beginning balance (in shares) at Apr. 30, 2019   18,665,551      
Stock-based compensation 2,116,309   2,116,309    
Amortization of restricted stock issued for services 122,250   122,250    
Common stock issued for cashless exercise of stock options 0 $ 191 (191)    
Common stock issued for cashless exercise of stock options (in shares)   190,559      
Common stock issued for stock options exercised for cash $ 962,650 $ 278 962,372    
Common stock issued for stock options exercised for cash (in shares) 363,334 277,678      
Common stock issued for cashless warrant exercise $ 0 $ 77 (77)    
Common stock issued for cashless warrant exercise (in shares) 76,929 76,929      
Amortization of warrant based cost issued for services $ 36,719   36,719    
Restricted stock issued for services, subject to vesting 0 $ 144 (144)    
Restricted stock issued for services, subject to vesting (in shares)   144,803      
Common stock issued for equity raise, net of underwriter costs of $1,222,371 16,044,879 $ 2,415 16,042,464    
Common stock issued in equity raise, net of underwriter costs of $1,222,371 (in shares)   2,415,000      
Other offering costs (51,282)   (51,282)    
Beneficial conversion feature on Convertible Debt 1,692,309   1,692,309    
Common stock short swing reclamation 21,760   21,760    
Net loss (5,659,065)       (5,659,065)
Common stock issued for vested restricted stock units (in shares)   0      
Ending balance at Apr. 30, 2020 41,747,957 $ 21,771 89,505,216 (70,000) (47,709,030)
Ending balance (in shares) at Apr. 30, 2020   21,770,520      
Stock-based compensation 3,958,085   3,958,085    
Common stock issued for cashless exercise of stock options 0 $ 35 (35)    
Common stock issued for cashless exercise of stock options (in shares)   34,773      
Common stock issued for stock options exercised for cash $ 2,669,247 $ 1,389 4,485,272 (1,817,414)  
Common stock issued for stock options exercised for cash (in shares) 52,778 1,389,463      
Amortization of warrant based cost issued for services $ 36,500   36,500    
Net loss (10,448,973)       (10,448,973)
Common stock issued for conversion of Convertible Notes 10,000,000 $ 1,399 9,998,601    
Common stock issued for conversion of Convertible Notes (in shares)   1,398,602      
Common stock issued for vested restricted stock units 0 $ 296 (296)    
Common stock issued for vested restricted stock units (in shares)   295,557      
Common stock issued for warrants exercised for cash 1,081,792 $ 192 1,081,600    
Common stock issued for warrants exercised for cash (in shares)   192,049      
Common stock issued for services 19,900 $ 2 19,898    
Common stock issued for services (in shares)   2,000      
Modification charge for warrants exercised 25,966   25,966    
Cancellation of treasury stock 0 $ (17) (69,983) 70,000  
Cancellation of treasury stock (in shares)   (16,667)      
Ending balance at Apr. 30, 2021 $ 49,090,474 $ 25,067 $ 109,040,824 $ (1,817,414) $ (58,158,003)
Ending balance (in shares) at Apr. 30, 2021   25,066,297