Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

v3.22.0.1
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      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 3,019,828   3,019,828    
Common stock issued for stock options exercised for cash 2,578,700 $ 1,365 4,394,749 (1,817,414)  
Common stock issued for stock options exercised for cash (in shares)   1,364,721      
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 $ 206 (206)    
Common stock issued for vested restricted stock units (in shares)   206,109      
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    
Amortization of warrant based cost 27,375   27,375    
Cancellation of Treasury Stock 0 $ (17) (69,983) 70,000  
Cancellation of Treasury Stock (in shares)   (16,667)      
Net loss (8,128,987)       (8,128,987)
Ending balance at Jan. 31, 2021 50,372,531 $ 24,940 108,003,022 (1,817,414) (55,838,017)
Ending balance (in shares) at Jan. 31, 2021   24,939,673      
Beginning balance at Oct. 31, 2020 52,094,217 $ 24,417 105,092,551 0 (53,022,751)
Beginning balance (in shares) at Oct. 31, 2020   24,416,539      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 701,170   701,170    
Common stock issued for stock options exercised for cash 363,385 $ 447 2,180,352 (1,817,414)  
Common stock issued for stock options exercised for cash (in shares)   447,134      
Common stock issued for vested restricted stock units 0 $ 74 (74)    
Common stock issued for vested restricted stock units (in shares)   74,000      
Common stock issued for services 19,900 $ 2 19,898    
Common stock issued for services (in shares)   2,000      
Amortization of warrant based cost 9,125   9,125    
Net loss (2,815,266)       (2,815,266)
Ending balance at Jan. 31, 2021 50,372,531 $ 24,940 108,003,022 (1,817,414) (55,838,017)
Ending balance (in shares) at Jan. 31, 2021   24,939,673      
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 1,965,567   1,965,567    
Common stock issued for stock options exercised for cash 191,034 $ 58 190,976    
Common stock issued for stock options exercised for cash (in shares)   58,419      
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 $ 74 (74)    
Common stock issued for vested restricted stock units (in shares)   73,708      
Amortization of warrant based cost 43,708   43,708    
Warrants issued for deferred financing costs related to Credit Facility 137,500   137,500    
Net loss (7,457,143)       (7,457,143)
Ending balance at Jan. 31, 2022 43,971,140 $ 25,229 111,378,471 (1,817,414) (65,615,146)
Ending balance (in shares) at Jan. 31, 2022   25,228,580      
Beginning balance at Oct. 31, 2021 46,853,315 $ 25,149 110,526,729 (1,817,414) (61,881,149)
Beginning balance (in shares) at Oct. 31, 2021   25,148,194      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock-based compensation 700,697   700,697    
Common stock issued for stock options exercised for cash 135,000 $ 41 134,959    
Common stock issued for stock options exercised for cash (in shares)   41,667      
Common stock issued for vested restricted stock units 0 $ 39 (39)    
Common stock issued for vested restricted stock units (in shares)   38,719      
Amortization of warrant based cost 16,125   16,125    
Net loss (3,733,997)       (3,733,997)
Ending balance at Jan. 31, 2022 $ 43,971,140 $ 25,229 $ 111,378,471 $ (1,817,414) $ (65,615,146)
Ending balance (in shares) at Jan. 31, 2022   25,228,580