Stockholders’ Deficit | Note 9 – Stockholders’ Deficit Series C Preferred Stock On February 24, 2021, the Company sold 179,850 10 163,500 30 1,082,441 113,850 103,500 177,231 113,850 137,166 The tables below provide the preferred stock activity for the nine months ended September 30, 2021 and 2020, and also a reconciliation of the beginning and ending balances for the derivative liabilities measured using Level 3 fair value inputs for the nine months ended September 30, 2021 and 2020 Preferred Discount Preferred Derivative Balance , December 31, 2020 $ — — — — Issuance of Series C Preferred shares 293,700 293,700 — 1,259,672 Conversion of Series C Preferred shares (187,044 ) (129,402 ) (57,642 ) (193,152 ) Accretion of discount — (81,328 ) 81,328 — Accretion of dividend on Series C preferred stock 13,370 — 13,370 17,104 Change in fair value of derivatives — — — (946,458 ) Balance September 30, 2021 $ 120,026 $ 82,970 $ 37,056 $ 137,166 Preferred Discount Preferred Derivative Balance , December 31, 2019 $ 140,000 $ 131,250 $ 8,750 $ 190,131 Issuance of Series C Preferred shares 111,600 111,600 — 170,896 Conversion of Series C Preferred shares (206,561 ) (132,768 ) (73,793 ) (302,127 ) Accretion of discount — (67,201 ) 67,201 — Accretion of dividend on Series C preferred stock 13,344 — 13,344 15,610 Change in fair value of derivatives — — — (11,304 ) Balance September 30, 2020 $ 58,383 $ 42,881 $ 15,502 $ 63,206 The following assumptions were used in the Binomial Option Pricing Model in calculating the embedded conversion features and current liabilities for the nine months ended September 30, 2021 and 2020 2021 2020 Risk-free interest rates 0.12 0.25 % 0.12 0.71 % Expected life (years) 1.4 2.0 1.3 2.0 Expected dividends 0 % 0 % Expected volatility 185 196 % 172 262 % Common Stock 2021 Transactions During the nine months ended September 30, 2021, $ 100,000 6,256 5,026,413 705,635 During the nine months ended September 30, 2021, 4,799,258 156,465 1,967,714 30,976 4,563,231 1,731,687 138,853 13,364 During the nine months ended September 30, 2021, 241,098 6,000 1,137,553 16,000 209,402 1,105,857 4,000 14,000 At September 30, 2021 and December 31, 2020, shares to be issued for debt conversions were 31,960 21,861 During the nine months ended September 30, 2021, 13,695,817 179,850 7,194 During the nine months ended September 30, 2021, we issued 30,000 1,915 2020 Transactions During the nine months ended September 30, 2020, $ 119,000 8,166 210 19,501,028 1,255 39,843 128,583 5,733,397 During the nine months ended September 30, 2020, 2,553,969 65,633 3,907,356 28,296 During the nine months ended September 30, 2020, 5,196,378 63,403 2,000,000 3,196,378 37,803 During the nine months ended September 30, 2020, 32,343,343 195,800 Common stock warrant activity: The Company has determined that certain of its warrants are subject to derivative accounting. The table below provides a reconciliation of the beginning and ending balances for the warrant liabilities measured using fair significant unobservable inputs (Level 3) for the nine months ended September 30, 2021 and 2020 Nine Months ended September 30, 2021 2020 Balance at beginning of period $ 476 $ 967 Additions to derivative instruments — — (Gain) loss on change in fair value of derivative liability 387 (334 ) Balance at end of period $ 863 $ 633 The following assumptions were used in the Binomial Option Pricing Model in calculating the embedded conversion features and current liabilities for the nine months ended September 30, 2021 and 2020 September 30, 2021 September 30, 2020 Annual dividend yield 0 % 0 % Expected life (years) Risk-free interest rate 0.09 1.16 % 0.13 1.83 % Expected volatility 189 243 % 190 243 % |