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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 Ìý 21,770,520 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 3,019,828 Ìý 3,019,828 Ìý Ìý
Common stock issued for stock options exercised for cash 2,578,700 $ 1,365 4,394,749 (1,817,414) Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 1,364,721 Ìý Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 22 (22) Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 22,339 Ìý Ìý Ìý
Common stock issued for conversion of Convertible Notes 10,000,000 $ 1,399 9,998,601 Ìý Ìý
Common stock issued for conversion of Convertible Notes (in shares) Ìý 1,398,602 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 206 (206) Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 206,109 Ìý Ìý Ìý
Common stock issued for warrants exercised for cash 1,081,792 $ 192 1,081,600 Ìý Ìý
Common stock issued for warrants exercised for cash (in shares) Ìý 192,049 Ìý Ìý Ìý
Common stock issued for services 19,900 $ 2 19,898 Ìý Ìý
Common stock issued for services (in shares) Ìý 2,000 Ìý Ìý Ìý
Modification charge for warrants exercised 25,966 Ìý 25,966 Ìý Ìý
Amortization of warrant based cost 27,375 Ìý 27,375 Ìý Ìý
Cancellation of Treasury Stock 0 $ (17) (69,983) 70,000 Ìý
Cancellation of Treasury Stock (in shares) Ìý (16,667) Ìý Ìý Ìý
Net loss (8,128,987) Ìý Ìý Ìý (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 Ìý 24,939,673 Ìý Ìý Ìý
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 Ìý 24,416,539 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 701,170 Ìý 701,170 Ìý Ìý
Common stock issued for stock options exercised for cash 363,385 $ 447 2,180,352 (1,817,414) Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 447,134 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 74 (74) Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 74,000 Ìý Ìý Ìý
Common stock issued for services 19,900 $ 2 19,898 Ìý Ìý
Common stock issued for services (in shares) Ìý 2,000 Ìý Ìý Ìý
Amortization of warrant based cost 9,125 Ìý 9,125 Ìý Ìý
Net loss (2,815,266) Ìý Ìý Ìý (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 Ìý 24,939,673 Ìý Ìý Ìý
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 Ìý 25,066,297 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 1,965,567 Ìý 1,965,567 Ìý Ìý
Common stock issued for stock options exercised for cash 191,034 $ 58 190,976 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 58,419 Ìý Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 30 (30) Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 30,156 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 74 (74) Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 73,708 Ìý Ìý Ìý
Amortization of warrant based cost 43,708 Ìý 43,708 Ìý Ìý
Warrants issued for deferred financing costs related to Credit Facility 137,500 Ìý 137,500 Ìý Ìý
Net loss (7,457,143) Ìý Ìý Ìý (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 Ìý 25,228,580 Ìý Ìý Ìý
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 Ìý 25,148,194 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 700,697 Ìý 700,697 Ìý Ìý
Common stock issued for stock options exercised for cash 135,000 $ 41 134,959 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 41,667 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 39 (39) Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 38,719 Ìý Ìý Ìý
Amortization of warrant based cost 16,125 Ìý 16,125 Ìý Ìý
Net loss (3,733,997) Ìý Ìý Ìý (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 Ìý 25,228,580 Ìý Ìý Ìý