Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

v3.21.2
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Total
Common Stock
Additional Paid-In Capital
Treasury Stock
Accumulated Deficit
Beginning balance at Apr. 30, 2020 $ 41,747,957 $ 21,771 $ 89,505,216 $ (70,000) $ (47,709,030)
Beginning balance (in shares) at Apr. 30, 2020   21,770,520      
Ending balance at Jul. 31, 2020 43,678,736 $ 22,378 92,378,584 (70,000) (48,652,226)
Ending balance (in shares) at Jul. 31, 2020   22,377,744      
Beginning balance at Apr. 30, 2020 41,747,957 $ 21,771 89,505,216 (70,000) (47,709,030)
Beginning balance (in shares) at Apr. 30, 2020   21,770,520      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 2,318,658   2,318,658    
Common stock issued for stock options exercised for cash 2,215,315 $ 918 2,214,397    
Common stock issued for stock options exercised for cash (in shares)   917,587      
Common stock issued for cashless stock options exercised 0 $ 22 (22)    
Common stock issued for cashless stock options exercised (in shares)   22,339      
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 $ 132 (132)    
Common stock issued for vested restricted stock units (in shares)   132,109      
Common stock issued for warrants exercised for cash 1,081,791 $ 191 1,081,600    
Common stock issued for warrants exercised for cash (in shares)   192,049      
Modification charge for warrants exercised 25,966   25,966    
Amortization of warrant based cost 18,250   18,250    
Cancellation of Treasury Stock 0 $ (17) (69,983) 70,000  
Cancellation of Treasury Stock (in shares)   (16,667)      
Net loss (5,313,721)       (5,313,721)
Ending balance at Oct. 31, 2020 52,094,216 $ 24,416 105,092,551 0 (53,022,751)
Ending balance (in shares) at Oct. 31, 2020   24,416,539      
Beginning balance at Jul. 31, 2020 43,678,736 $ 22,378 92,378,584 (70,000) (48,652,226)
Beginning balance (in shares) at Jul. 31, 2020   22,377,744      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 1,831,548   1,831,548    
Common stock issued for stock options exercised for cash 945,332 $ 502 944,830    
Common stock issued for stock options exercised for cash (in shares)   502,412      
Common stock issued for cashless stock options exercised 0 $ 22 (22)    
Common stock issued for cashless stock options exercised (in shares)   22,339      
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 $ 132 (132)    
Common stock issued for vested restricted stock units (in shares)   132,109      
Amortization of warrant based cost 9,125   9,125    
Cancellation of Treasury Stock 0 $ (17) (69,983) 70,000  
Cancellation of Treasury Stock (in shares)   (16,667)      
Net loss (4,370,525)       (4,370,525)
Ending balance at Oct. 31, 2020 52,094,216 $ 24,416 105,092,551 0 (53,022,751)
Ending balance (in shares) at Oct. 31, 2020   24,416,539      
Beginning balance at Apr. 30, 2021 49,090,474 $ 25,067 109,040,824 (1,817,414) (58,158,003)
Beginning balance (in shares) at Apr. 30, 2021   25,066,297      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 1,264,870   1,264,870    
Common stock issued for stock options exercised for cash 56,034 $ 17 56,017    
Common stock issued for stock options exercised for cash (in shares)   16,752      
Common stock issued for cashless stock options exercised 0 $ 30 (30)    
Common stock issued for cashless stock options exercised (in shares)   30,156      
Common stock issued for vested restricted stock units 0 $ 35 (35)    
Common stock issued for vested restricted stock units (in shares)   34,989      
Amortization of warrant based cost 27,583   27,583    
Warrants issued for deferred financing costs related to Credit Facility 137,500   137,500    
Net loss (3,723,146)       (3,723,146)
Ending balance at Oct. 31, 2021 46,853,315 $ 25,149 110,526,729 (1,817,414) (61,881,149)
Ending balance (in shares) at Oct. 31, 2021   25,148,194      
Beginning balance at Jul. 31, 2021 48,796,304 $ 25,088 109,617,521 (1,817,414) (59,028,891)
Beginning balance (in shares) at Jul. 31, 2021   25,087,051      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 722,158   722,158    
Common stock issued for stock options exercised for cash 33,486 $ 12 33,474    
Common stock issued for stock options exercised for cash (in shares)   11,655      
Common stock issued for cashless stock options exercised 0 $ 30 (30)    
Common stock issued for cashless stock options exercised (in shares)   30,156      
Common stock issued for vested restricted stock units 0 $ 19 (19)    
Common stock issued for vested restricted stock units (in shares)   19,332      
Amortization of warrant based cost 16,125   16,125    
Warrants issued for deferred financing costs related to Credit Facility 137,500   137,500    
Net loss (2,852,258)       (2,852,258)
Ending balance at Oct. 31, 2021 $ 46,853,315 $ 25,149 $ 110,526,729 $ (1,817,414) $ (61,881,149)
Ending balance (in shares) at Oct. 31, 2021   25,148,194