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Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

v3.20.4
CONSOLIDATED STATEMENTS 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 Ìý 18,665,551 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 1,627,304 Ìý 1,627,304 Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 191 (191) Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 190,559 Ìý Ìý Ìý
Common stock issued for stock options exercised for cash 768,381 $ 234 768,147 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 234,233 Ìý Ìý Ìý
Common stock issued for cashless warrant exercise 0 $ 77 (77) Ìý Ìý
Common stock issued for cashless warrant exercise (in shares) Ìý 76,929 Ìý Ìý Ìý
Amortization of warrant based cost 27,690 Ìý 27,690 Ìý Ìý
Amortization of restricted stock issued for services 97,748 Ìý 97,748 Ìý Ìý
Restricted stock issued for services, subject to vesting 0 $ 144 (144) Ìý Ìý
Restricted Stock Issued for Services, subject to vesting (in shares) Ìý 144,803 Ìý Ìý Ìý
Common stock issued for equity raise, net of underwriter costs 16,044,879 $ 2,415 16,042,464 Ìý Ìý
Common stock issued in equity raise, net of underwriter costs (in shares) Ìý 2,415,000 Ìý Ìý Ìý
Other offerings costs (51,282) Ìý (51,282) Ìý Ìý
Beneficial conversion feature on convertible debt 1,692,309 Ìý 1,692,309 Ìý Ìý
Common stock short swing reclamation 5,433 Ìý 5,433 Ìý Ìý
Net loss (4,994,502) Ìý Ìý Ìý (4,994,502)
Ending balance at Jan. 31, 2020 41,679,388 $ 21,727 88,772,128 (70,000) (47,044,467)
Ending balance (in shares) at Jan. 31, 2020 Ìý 21,727,075 Ìý Ìý Ìý
Beginning balance at Oct. 31, 2019 24,967,090 $ 19,142 69,781,363 (70,000) (44,763,415)
Beginning balance (in shares) at Oct. 31, 2019 Ìý 19,142,316 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 737,820 Ìý 737,820 Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 9 (9) Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 8,352 Ìý Ìý Ìý
Common stock issued for stock options exercised for cash 530,668 $ 121 530,547 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 121,407 Ìý Ìý Ìý
Amortization of warrant based cost 9,125 Ìý 9,125 Ìý Ìý
Amortization of restricted stock issued for services 24,398 Ìý 24,398 Ìý Ìý
Restricted stock issued for services, subject to vesting 0 $ 40 (40) Ìý Ìý
Restricted Stock Issued for Services, subject to vesting (in shares) Ìý 40,000 Ìý Ìý Ìý
Common stock issued for equity raise, net of underwriter costs 16,044,879 $ 2,415 16,042,464 Ìý Ìý
Common stock issued in equity raise, net of underwriter costs (in shares) Ìý 2,415,000 Ìý Ìý Ìý
Other offerings costs (51,282) Ìý (51,282) Ìý Ìý
Beneficial conversion feature on convertible debt 1,692,309 Ìý 1,692,309 Ìý Ìý
Common stock short swing reclamation 5,433 Ìý 5,433 Ìý Ìý
Net loss (2,281,052) Ìý Ìý Ìý (2,281,052)
Ending balance at Jan. 31, 2020 41,679,388 $ 21,727 88,772,128 (70,000) (47,044,467)
Ending balance (in shares) at Jan. 31, 2020 Ìý 21,727,075 Ìý Ìý Ìý
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 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 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 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