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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 889,484 Ìý 889,484 Ìý Ìý
Common stock issued for stock options exercised for cash 237,713 $ 113 237,600 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 112,826 Ìý Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 182 (182) Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 182,207 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 18,565 Ìý 18,565 Ìý Ìý
Amortization of restricted stock issued for services 73,350 Ìý 73,350 Ìý Ìý
Restricted Stock Issued for Services, subject to vesting 0 $ 104 (104) Ìý Ìý
Restricted Stock Issued for Services, subject to vesting (in shares) Ìý 104,803 Ìý Ìý Ìý
Net loss (2,713,450) Ìý Ìý Ìý (2,713,450)
Ending balance at Oct. 31, 2019 24,967,090 $ 19,142 69,781,363 (70,000) (44,763,415)
Ending balance (in shares) at Oct. 31, 2019 Ìý 19,142,316 Ìý Ìý Ìý
Beginning balance at Jul. 31, 2019 24,969,790 $ 18,914 69,146,123 (70,000) (44,125,247)
Beginning balance (in shares) at Jul. 31, 2019 Ìý 18,913,527 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 391,067 Ìý 391,067 Ìý Ìý
Common stock issued for stock options exercised for cash 192,522 $ 90 192,432 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 90,950 Ìý Ìý Ìý
Common stock issued for cashless stock options exercised 0 $ 80 (80) Ìý Ìý
Common stock issued for cashless stock options exercised (in shares) Ìý 80,313 Ìý Ìý Ìý
Common stock issued for cashless warrant exercise 0 $ 58 (58) Ìý Ìý
Common stock issued for cashless warrant exercise (in shares) Ìý 57,526 Ìý Ìý Ìý
Amortization of warrant based cost 9,125 Ìý 9,125 Ìý Ìý
Amortization of restricted stock issued for services 42,754 Ìý 42,754 Ìý Ìý
Net loss (638,168) Ìý Ìý Ìý (638,168)
Ending balance at Oct. 31, 2019 24,967,090 $ 19,142 69,781,363 (70,000) (44,763,415)
Ending balance (in shares) at Oct. 31, 2019 Ìý 19,142,316 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
Common stock issued for stock options exercised for cash 1,269,982 Ìý Ìý 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 Ìý Ìý Ìý Ìý
Common stock issued for warrants exercised for cash (in shares) 192,049 Ìý Ìý Ìý Ìý
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, 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 2,318,658 Ìý 2,318,658 Ìý Ìý
Common stock issued for stock options exercised for cash 2,215,315 $ 918 2,214,397 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 917,587 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 $ 132 (132) Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 132,109 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
Modification charge for warrants exercised 25,966 Ìý 25,966 Ìý Ìý
Amortization of warrant based cost 18,250 Ìý 18,250 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 (5,313,721) Ìý Ìý Ìý (5,313,721)
Ending balance at Oct. 31, 2020 52,094,217 $ 24,417 105,092,551 0 (53,022,751)
Ending balance (in shares) at Oct. 31, 2020 Ìý 24,416,539 Ìý Ìý Ìý
Beginning balance at Jul. 31, 2020 43,678,736 $ 22,378 92,378,584 (70,000) (48,652,226)
Beginning balance (in shares) at Jul. 31, 2020 Ìý 22,377,744 Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý
Stock-based compensation 1,831,548 Ìý 1,831,548 Ìý Ìý
Common stock issued for stock options exercised for cash 945,332 $ 502 944,830 Ìý Ìý
Common stock issued for stock options exercised for cash (in shares) Ìý 502,412 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 $ 132 (132) Ìý Ìý
Common stock issued for vested restricted stock units (in shares) Ìý 132,109 Ìý Ìý Ìý
Amortization of warrant based cost 9,125 Ìý 9,125 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 (4,370,525) Ìý Ìý Ìý (4,370,525)
Ending balance at Oct. 31, 2020 $ 52,094,217 $ 24,417 $ 105,092,551 $ 0 $ (53,022,751)
Ending balance (in shares) at Oct. 31, 2020 Ìý 24,416,539 Ìý Ìý Ìý