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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 Ìý 21,770,520 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 487,110 Ìý 487,110 Ìý Ìý
Common stock issued for stock options exercised for cash 1,269,982 $ 415 1,269,567 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 415,175 Ìý Ìý Ìý
Common stock issued for warrants exercised for cash 1,081,792 $ 192 1,081,600 Ìý Ìý
Common stock issued for cashless warrant exercise (in shares) Ìý 192,049 Ìý Ìý Ìý
Modification charge for warrants exercised 25,966 Ìý 25,966 Ìý Ìý
Amortization of warrant based cost 9,125 Ìý 9,125 Ìý Ìý
Net loss (943,196) Ìý Ìý Ìý (943,196)
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 Ìý 22,377,744 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 542,712 Ìý 542,712 Ìý Ìý
Common stock issued for stock options exercised for cash 22,548 $ 5 22,543 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 5,097 Ìý Ìý Ìý
Common stock issued for vested restricted stock units 0 $ 16 (16) Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 15,657 Ìý Ìý Ìý
Amortization of warrant based cost 11,458 Ìý 11,458 Ìý Ìý
Net loss (870,888) Ìý Ìý Ìý (870,888)
Ending balance at Jul. 31, 2021 $ 48,796,304 $ 25,088 $ 109,617,521 $ (1,817,414) $ (59,028,891)
Ending balance (in shares) at Jul. 31, 2021 Ìý 25,087,051 Ìý Ìý Ìý