Quarterly report pursuant to Section 13 or 15(d)

Statements of Changes in Stockholders' Equity (Unaudited)

v3.20.2
Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
Common Stock
Additional Paid-in-Capital
Accumulated Deficit
Total
Beginning balance at Dec. 31, 2018 $ 42,578 $ 57,868,593 $ (39,948,553) $ 17,962,618
Beginning balance, shares at Dec. 31, 2018 42,578,208      
Stock based compensation 763,659 763,659
Exercise of employee stock options $ 95 151,506 151,601
Exercise of employee stock options, shares 94,530      
Exercise of warrants $ 50 57,450 57,500
Exercise of warrants, shares 50,000      
Net loss     (2,920,584) (2,920,584)
Ending balance at Mar. 31, 2019 $ 42,723 58,841,208 (42,869,137) 16,014,794
Beginning balance, shares at Mar. 31, 2019 42,722,738      
Beginning balance at Dec. 31, 2018 $ 42,578 57,868,593 (39,948,553) 17,962,618
Beginning balance, shares at Dec. 31, 2018 42,578,208      
Equity modification expense      
Net loss       (5,978,626)
Ending balance at Jun. 30, 2019 $ 42,861 59,627,205 (45,927,179) 13,742,887
Beginning balance, shares at Jun. 30, 2019 42,861,422      
Beginning balance at Mar. 31, 2019 $ 42,723 58,841,208 (42,869,137) 16,014,794
Beginning balance, shares at Mar. 31, 2019 42,722,738      
Stock based compensation 664,164 664,164
Exercise of employee stock options $ 138 121,833 121,971
Exercise of employee stock options, shares 138,684      
Net loss     (3,058,042) (3,058,042)
Ending balance at Jun. 30, 2019 $ 42,861 59,627,205 (45,927,179) 13,742,887
Beginning balance, shares at Jun. 30, 2019 42,861,422      
Beginning balance at Dec. 31, 2019 $ 43,069 61,087,082 (52,993,325) 8,136,826
Beginning balance, shares at Dec. 31, 2019 43,069,418      
Stock based compensation 882,645 882,645
Equity modification expense 802,400 802,400
Exercise of employee stock options $ 72 42,154 42,226
Exercise of employee stock options, shares 71,981      
Net loss (4,217,563) (4,217,563)
Ending balance at Mar. 31, 2020 $ 43,141 62,814,281 (57,210,888) 5,646,534
Beginning balance, shares at Mar. 31, 2020 43,141,399      
Beginning balance at Dec. 31, 2019 $ 43,069 61,087,082 (52,993,325) 8,136,826
Beginning balance, shares at Dec. 31, 2019 43,069,418      
Equity modification expense       1,801,043
Net loss       (8,320,092)
Ending balance at Jun. 30, 2020 $ 45,645 69,003,993 (61,313,417) 7,736,221
Beginning balance, shares at Jun. 30, 2020 45,645,326      
Beginning balance at Mar. 31, 2020 $ 43,141 62,814,281 (57,210,888) 5,646,534
Beginning balance, shares at Mar. 31, 2020 43,141,399      
Stock based compensation 653,127 653,127
Equity modification expense 998,643 998,643
Sale of common stock, net $ 2,350 4,302,765 4,305,115
Sale of common stock, net, shares 2,350,067      
Exercise of employee stock options $ 134 190,197 190,331
Exercise of employee stock options, shares 133,860      
Exercise of warrants $ 20 44,980 45,000
Exercise of warrants, shares 20,000      
Net loss (4,102,529) (4,102,529)
Ending balance at Jun. 30, 2020 $ 45,645 $ 69,003,993 $ (61,313,417) $ 7,736,221
Beginning balance, shares at Jun. 30, 2020 45,645,326