Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited)

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) - USD ($)
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Discount on Preferred Stock [Member]
Subscription Receivable [Member]
Accumulated Deficit [Member]
Total
Beginning balance at Mar. 31, 2021 $ 0 $ 87,464 $ 80,857,742 $ 0 $ 0 $ (69,931,220) $ 11,013,986
Beginning balance (in shares) at Mar. 31, 2021 0 87,465,178          
Preferred stock issuance $ 6,681   2,220,350       2,227,031
Preferred stock issuance (in shares) 6,681,090            
Common shares issued upon exercise of warrants   $ 1,278 651,499       652,777
Common shares issued upon exercise of warrants (Shares)   1,277,777          
Common shares issued to non-employees and employees   $ 856 39,144       40,000
Common shares issued to non-employees and employees (in shares)   855,499          
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs     651,648       651,648
Stock option exercise   $ 163 48,068       48,231
Stock option exercise (in shares)   162,668          
Net (loss)           (7,425,656) (7,425,656)
Ending balance at Jun. 30, 2021 $ 6,681 $ 89,761 84,468,451 0 0 (77,356,876) 7,208,017
Ending balance (in shares) at Jun. 30, 2021 6,681,090 89,761,122          
Beginning balance at Mar. 31, 2021 $ 0 $ 87,464 80,857,742 0 0 (69,931,220) 11,013,986
Beginning balance (in shares) at Mar. 31, 2021 0 87,465,178          
Net (loss)             (28,540,132)
Ending balance at Dec. 31, 2021 $ 4,454 $ 107,244 106,293,256 0 0 (98,471,382) 7,933,572
Ending balance (in shares) at Dec. 31, 2021 4,454,060 107,242,070          
Beginning balance at Jun. 30, 2021 $ 6,681 $ 89,761 84,468,451 0 0 (77,356,876) 7,208,017
Beginning balance (in shares) at Jun. 30, 2021 6,681,090 89,761,122          
Common shares issued upon exercise of warrants   $ 9,526 11,894,694       11,904,220
Common shares issued upon exercise of warrants (Shares)   9,523,376          
Common shares issued in connection with offerings   $ 4,757 4,990,493       4,995,250
Common shares issued in connection with offerings (in shares)   4,757,381          
Common shares issued to non-employees and employees   $ 173 307,546       307,719
Common shares issued to non-employees and employees (in shares)   172,802          
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs     625,556       625,556
Stock option exercise   $ 118 59,832       59,950
Stock option exercise (in shares)   118,692          
Net (loss)           (10,378,473) (10,378,473)
Ending balance at Sep. 30, 2021 $ 6,681 $ 104,335 102,346,572 0 0 (87,735,349) 14,722,239
Ending balance (in shares) at Sep. 30, 2021 6,681,090 104,333,373          
Common shares issued upon exercise of warrants   $ 667 832,649       833,316
Common shares issued upon exercise of warrants (Shares)   666,667          
Preferred stock conversion to common stock $ (2,227) $ 2,227         0
Preferred stock conversion to common stock (in shares) (2,227,030) 2,227,030          
Common shares issued to non-employees   $ 15 20,685       20,700
Common shares issued to non-employees (in shares)   15,000          
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs     3,093,350       3,093,350
Net (loss)           (10,736,033) (10,736,033)
Ending balance at Dec. 31, 2021 $ 4,454 $ 107,244 106,293,256 0 0 (98,471,382) 7,933,572
Ending balance (in shares) at Dec. 31, 2021 4,454,060 107,242,070          
Beginning balance at Mar. 31, 2022 $ 4,454 $ 110,572 109,864,080 0 (62,388) (109,515,580) 401,138
Beginning balance (in shares) at Mar. 31, 2022 4,453,970 110,571,812          
Common shares issued in connection with offerings   $ 9,083 5,197,121   62,388   5,268,592
Common shares issued in connection with offerings (in shares)   9,083,574          
Preferred stock conversion to common stock and vesting of endorsement shares $ (2,227) $ 2,227 2,227,030       2,227,030
Preferred stock conversion to common stock and vesting of endorsement shares (in shares) (2,226,940) 2,227,030          
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs   $ 222 221,795       222,017
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs (in shares)   221,665          
Stock option exercise   $ 17 (17)       0
Stock option exercise (in shares)   16,956          
Net (loss)           (7,493,408) (7,493,408)
Ending balance at Jun. 30, 2022 $ 2,227 $ 122,121 117,510,009 0 0 (117,008,988) 625,369
Ending balance (in shares) at Jun. 30, 2022 2,227,030 122,121,037          
Beginning balance at Mar. 31, 2022 $ 4,454 $ 110,572 109,864,080 0 (62,388) (109,515,580) 401,138
Beginning balance (in shares) at Mar. 31, 2022 4,453,970 110,571,812          
Net (loss)             (19,877,071)
Ending balance at Dec. 31, 2022 $ 3,327 $ 147,932 130,601,692 (193,847) 0 (129,410,274) 1,148,830
Ending balance (in shares) at Dec. 31, 2022 3,327,030 147,930,459          
Beginning balance at Jun. 30, 2022 $ 2,227 $ 122,121 117,510,009 0 0 (117,008,988) 625,369
Beginning balance (in shares) at Jun. 30, 2022 2,227,030 122,121,037          
Common shares issued upon exercise of warrants   $ 12,746 5,640,798       5,653,544
Common shares issued upon exercise of warrants (Shares)   12,745,068          
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs   $ 500 385,572       386,072
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs (in shares)   500,000          
Common shares issued in connection with conversion of note payable   $ 10,460 4,966,013       4,976,473
Common shares issued in connection with conversion of note payable (in shares)   10,459,354          
Net (loss)           (8,397,208) (8,397,208)
Ending balance at Sep. 30, 2022 $ 2,227 $ 145,827 128,502,392 0 0 (125,406,196) 3,244,250
Ending balance (in shares) at Sep. 30, 2022 2,227,030 145,825,459          
Preferred stock and common shares issued in connection with issuance of preferred stock series e $ 1,100 $ 880 1,309,490 (193,847)   (17,623) 1,100,000
Preferred stock and common shares issued in connection with issuance of preferred stock series e (in shares) 1,100,000 880,000          
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs   $ 1,225 789,810       791,035
Stock option and RSU-related compensation expense and common shares issued upon conversion of RSUs (in shares)   1,225,000          
Net (loss)           (3,986,455) (3,986,455)
Ending balance at Dec. 31, 2022 $ 3,327 $ 147,932 $ 130,601,692 $ (193,847) $ 0 $ (129,410,274) $ 1,148,830
Ending balance (in shares) at Dec. 31, 2022 3,327,030 147,930,459