Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Treasury Stock [Member]
Total
Beginning balance, value at Dec. 31, 2019 $ 2,774 $ 6,092 $ 188,240,451 $ (166,008,620) $ 253,734 $ (5,281,180) $ 17,213,251
Beginning balance, shares at Dec. 31, 2019 2,774,394 6,092,432          
Exercise of purchase warrants $ 229 (229)
Exercise of purchase warrants, shares   229,598          
Issuance of common stock to vendor $ 1 (1)
Issuance of common stock to vendor, shares   1,188          
Share-based expense 388,131 388,131
Net loss (9,693,441) (9,693,441)
Ending balance, value at Sep. 30, 2020 $ 2,774 $ 6,322 188,628,352 (175,702,061) 253,734 (5,281,180) 7,907,941
Ending balance, shares at Sep. 30, 2020 2,774,394 6,323,218          
Beginning balance, value at Jun. 30, 2020 $ 2,774 $ 6,322 188,517,553 (168,141,691) 253,734 (5,281,180) 15,357,512
Beginning balance, shares at Jun. 30, 2020 2,774,394 6,323,218          
Share-based expense 110,799 110,799
Net loss (7,560,370) (7,560,370)
Ending balance, value at Sep. 30, 2020 $ 2,774 $ 6,322 188,628,352 (175,702,061) 253,734 (5,281,180) 7,907,941
Ending balance, shares at Sep. 30, 2020 2,774,394 6,323,218          
Beginning balance, value at Dec. 31, 2020 $ 2,774 $ 8,771 194,133,511 (176,902,086) 253,734 (5,281,180) 12,215,524
Beginning balance, shares at Dec. 31, 2020 2,774,394 8,772,198          
Issuance of common stock and warrants, net of issuance costs $ 950 11,449,916 11,450,866
Issuance of common stock and warrants, net of issuance costs ,shares   950,000          
Exercise of pre-funded warrants $ 3,679 3,679
Exercise of pre-funded warrants ,shares   3,679,630          
Exercise of purchase warrants $ 4 (4)
Exercise of purchase warrants, shares   4,032          
Issuance of common stock to vendor $ 7 (7)
Issuance of common stock to vendor, shares   7,153          
Share-based expense 297,337 297,337
Net loss (3,803,499) (3,803,499)
Ending balance, value at Sep. 30, 2021 $ 2,774 $ 13,411 205,880,753 (180,705,585) 253,734 (5,281,180) 20,163,907
Ending balance, shares at Sep. 30, 2021 2,774,394 13,413,013          
Beginning balance, value at Jun. 30, 2021 $ 2,774 $ 8,772 194,319,716 (179,354,709) 253,734 (5,281,180) 9,949,107
Beginning balance, shares at Jun. 30, 2021 2,774,394 8,773,683          
Issuance of common stock and warrants, net of issuance costs $ 950 11,449,916 11,450,866
Issuance of common stock and warrants, net of issuance costs ,shares   950,000          
Exercise of pre-funded warrants $ 3,679 3,679
Exercise of pre-funded warrants ,shares   3,679,630          
Exercise of purchase warrants $ 3 (3)
Exercise of purchase warrants, shares   2,547          
Issuance of common stock to vendor $ 7 (7)
Issuance of common stock to vendor, shares   7,153          
Share-based expense 111,131 111,131
Net loss (1,350,876) (1,350,876)
Ending balance, value at Sep. 30, 2021 $ 2,774 $ 13,411 $ 205,880,753 $ (180,705,585) $ 253,734 $ (5,281,180) $ 20,163,907
Ending balance, shares at Sep. 30, 2021 2,774,394 13,413,013