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Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

v3.22.2.2
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Total
Common Stock
Additional Paid-In Capital
Treasury Stock
Accumulated Deficit
Beginning balance (in shares) at Apr. 30, 2021 Ìý 25,066,297 Ìý Ìý Ìý
Beginning balance at Apr. 30, 2021 $ 49,090,474 $ 25,067 $ 109,040,824 $ (1,817,414) $ (58,158,003)
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 1,264,870 Ìý 1,264,870 Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 34,989 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 35 (35) Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 16,752 Ìý Ìý Ìý
Common stock issued for stock options exercised for cash 56,034 $ 17 56,017 Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 30,156 Ìý Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 30 (30) Ìý Ìý
Amortization of warrant based cost 27,583 Ìý 27,583 Ìý Ìý
Warrants issued for deferred financing costs related to Credit Facility 137,500 Ìý 137,500 Ìý Ìý
Net loss (3,723,146) Ìý Ìý Ìý (3,723,146)
Ending balance (in shares) at Oct. 31, 2021 Ìý 25,148,194 Ìý Ìý Ìý
Ending balance at Oct. 31, 2021 46,853,315 $ 25,149 110,526,729 (1,817,414) (61,881,149)
Beginning balance (in shares) at Jul. 31, 2021 Ìý 25,087,051 Ìý Ìý Ìý
Beginning balance at Jul. 31, 2021 48,796,304 $ 25,088 109,617,521 (1,817,414) (59,028,891)
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 722,158 Ìý 722,158 Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 19,332 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 19 (19) Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 11,655 Ìý Ìý Ìý
Common stock issued for stock options exercised for cash 33,486 $ 12 33,474 Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 30,156 Ìý Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 30 (30) Ìý Ìý
Amortization of warrant based cost 16,125 Ìý 16,125 Ìý Ìý
Warrants issued for deferred financing costs related to Credit Facility 137,500 Ìý 137,500 Ìý Ìý
Net loss (2,852,258) Ìý Ìý Ìý (2,852,258)
Ending balance (in shares) at Oct. 31, 2021 Ìý 25,148,194 Ìý Ìý Ìý
Ending balance at Oct. 31, 2021 $ 46,853,315 $ 25,149 110,526,729 (1,817,414) (61,881,149)
Beginning balance (in shares) at Apr. 30, 2022 25,202,278 25,357,764 Ìý Ìý Ìý
Beginning balance at Apr. 30, 2022 $ 42,545,724 $ 25,358 112,081,564 (1,817,414) (67,743,784)
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 504,666 Ìý 504,666 Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 66,245 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 66 (66) Ìý Ìý
Common stock issued for services (in shares) Ìý 25,000 Ìý Ìý Ìý
Common stock issued for services 24,500 $ 25 24,475 Ìý Ìý
Common stock issued for equity raise, net of underwriter costs (in shares) Ìý 11,840 Ìý Ìý Ìý
Common stock issued for equity raise, net of underwriter costs 9,535 $ 12 9,523 Ìý Ìý
Amortization of warrant based cost 14,000 Ìý 14,000 Ìý Ìý
Net loss $ (6,008,611) Ìý Ìý Ìý (6,008,611)
Ending balance (in shares) at Oct. 31, 2022 25,305,363 25,460,849 Ìý Ìý Ìý
Ending balance at Oct. 31, 2022 $ 37,089,814 $ 25,461 112,634,162 (1,817,414) (73,752,395)
Beginning balance (in shares) at Jul. 31, 2022 Ìý 25,357,764 Ìý Ìý Ìý
Beginning balance at Jul. 31, 2022 38,884,083 $ 25,358 112,134,894 (1,817,414) (71,458,755)
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 458,336 Ìý 458,336 Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 66,245 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 66 (66) Ìý Ìý
Common stock issued for services (in shares) Ìý 25,000 Ìý Ìý Ìý
Common stock issued for services 24,500 $ 25 24,475 Ìý Ìý
Common stock issued for equity raise, net of underwriter costs (in shares) Ìý 11,840 Ìý Ìý Ìý
Common stock issued for equity raise, net of underwriter costs 9,535 $ 12 9,523 Ìý Ìý
Amortization of warrant based cost 7,000 Ìý 7,000 Ìý Ìý
Net loss $ (2,293,640) Ìý Ìý Ìý (2,293,640)
Ending balance (in shares) at Oct. 31, 2022 25,305,363 25,460,849 Ìý Ìý Ìý
Ending balance at Oct. 31, 2022 $ 37,089,814 $ 25,461 $ 112,634,162 $ (1,817,414) $ (73,752,395)