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v3.20.1

Statements of Changes in Stockholders' Equity (Deficit) - USD ($) | Common Stock | Additional Paid-In Capital | Accumulated Deficit | Total
--- | --- | --- | --- | ---
Beginning balance, shares at Dec. 31, 2017 | 2,836,713 |  |  |
Beginning balance, value at Dec. 31, 2017 | $ 2,837 | $ 37,924,780 | $ (38,276,879) | $ (349,262)
Stock issued for cash, shares | 38,667 |  |  |
Stock issued for cash, value | $ 39 | 289,961 |  | 290,000
Cash offering costs |  | (12,000) |  | (12,000)
Stock issued for director services, shares | 31,250 |  |  |
Stock issued for director services, value | $ 31 | 237,469 |  | 237,500
Value of warrants and beneficial conversion features related to debt instruments |  | 840,291 |  | 840,291
Stock option expense |  | 111,572 |  | 111,572
Net loss |  |  | (3,598,780) | (3,598,780)
Ending balance, shares at Dec. 31, 2018 | 2,906,630 |  |  |
Ending balance, value at Dec. 31, 2018 | $ 2,907 | 39,392,073 | (41,875,659) | (2,480,679)
Stock issued for cash, shares | 2,200,000 |  |  |
Stock issued for cash, value | $ 2,200 | 13,195,800 |  | 13,198,000
Cash offering costs |  | (1,370,879) |  | (1,370,879)
Stock issued for director services, shares | 56,937 |  |  |
Stock issued for director services, value | $ 56 | 355,875 |  | 355,931
Stock issued to escrow account - unvested, shares | 44,437 |  |  |
Stock issued to escrow account - unvested, value | $ 44 | (44) |  |
Warrants issued for cash, value |  | 3,000 |  | 3,000
Fractional shares cash payment, shares | (21) |  |  |
Fractional shares, cash payment, value |  | (171) |  | (171)
Fractional shares issued from reverse stock split | 187 |  |  |
Value of warrants and beneficial conversion features related to debt instruments |  | 3,967 |  | 3,967
Stock option expense |  | 48,915 |  | 48,915
Net loss |  |  | (3,933,922) | (3,933,922)
Ending balance, shares at Dec. 31, 2019 | 5,208,170 |  |  |
Ending balance, value at Dec. 31, 2019 | $ 5,207 | $ 51,628,536 | $ (45,809,581) | $ 5,824,162

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