Quarterly report pursuant to Section 13 or 15(d)

Statements of Changes in Stockholders' Equity (Unaudited)

v3.20.1
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, 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