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Condensed Statements of Changes in Stockholders' Equity (Unaudited) (Deficit) - USD ($)
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Beginning balance, shares at Dec. 31, 2018 2,906,630      
Beginning balance, value at Dec. 31, 2018 $ 2,907 $ 39,392,073 $ (41,875,659) $ (2,480,679)
Stock issued for director services, shares 3,750      
Stock issued for director services, value $ 3 31,247 31,250
Value of warrants and beneficial conversion features related to debt instruments 3,967 3,967
Stock option expense 2,301 2,301
Net loss (949,631) (949,631)
Ending balance, shares at Mar. 31, 2019 2,910,380      
Ending balance, value at Mar. 31, 2019 $ 2,910 39,429,588 (42,825,290) (3,392,792)
Beginning balance, shares at Dec. 31, 2019 5,208,170      
Beginning balance, value at Dec. 31, 2019 $ 5,207 51,628,536 (45,809,581) 5,824,162
Stock issued for director services, shares 14,813      
Stock issued for director services, value $ 15 78,432 78,447
Stock issued to escrow account - unvested, shares (14,813)      
Stock issued to escrow account - unvested, value $ (15) 15 0
Stock option expense 27,068 27,068
Warrants exercised, shares 43,993      
Warrants exercised, value $ 44 282,306 282,350
Net loss (942,521) (942,521)
Ending balance, shares at Mar. 31, 2020 5,252,163      
Ending balance, value at Mar. 31, 2020 $ 5,251 $ 52,016,357 $ (46,752,102) $ 5,269,506