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6. CONVERTIBLE DEBT | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
NOTE 6. CONVERTIBLE DEBT | In March and May 2017, the Company closed a private placement transaction in which it issued to certain accredited investors unregistered senior callable convertible promissory notes (the “Notes”) and three-year warrants to purchase an aggregate of 999,998 shares of common stock at an exercise price of $0.69 per share in exchange for aggregate gross proceeds of $6,000,000. The Notes bear interest at a rate of 4% per annum. $5,300,000 in principal was originally scheduled to mature on August 31, 2018 and $700,000 in principal was originally scheduled to mature on November 8, 2018, unless earlier redeemed, repurchased or converted. The Notes are convertible at the option of the holder into common stock at a conversion price of $0.54 per share. Subsequent to September 1, 2017, we may redeem the Notes that are scheduled to mature on August 31, 2018 at any time prior to maturity at a price equal to 100% of the outstanding principal amount of the Notes to be redeemed, plus accrued and unpaid interest as of the redemption date. Prior to November 8, 2018, we may redeem the Notes that are scheduled to mature on such date at any time prior to maturity at a price equal to 100% of the outstanding principal amount of the Notes to be redeemed, plus accrued and unpaid interest as of the redemption date. Interest on the Notes is payable semi-annually in cash on February 28 and August 31 of each year, beginning on August 31, 2017. Interest expense related to the Notes for the year ended December 31, 2018 and 2017 was $221,878 and $191,256, respectively. The warrants were valued at $62,559 using the Black-Scholes pricing model with the following assumptions: expected volatility: 104.06% –111.54%; expected dividend: $0; expected term: 3 years; and risk-free rate: 1.49%–1.59%. The Company recorded the warrants’ relative fair value of $61,904 as an increase to additional paid-in capital and a discount against the related Notes. The debt discount is being amortized over the life of the Notes using the effective interest method. Amortization expense for the years ended December 31, 2018 and 2017, was $38,091 and $6,279, respectively. In February and March 2018, we extended the maturity date of the Notes—we extended the maturity dates for $5,300,000 of principal on the Notes to April 1, 2019 and $700,000 in principal of the Notes to June 8, 2019. No additional consideration was paid or accrued by the Company. The stated rate of the Notes was unchanged, and the estimated fair value of the new debt approximates its carrying amount (principal plus accrued interest at the date of the modification). We determined that the modification of these Notes is not a substantial modification in accordance with ASC 470-50, “Modifications and Extinguishments”. In May 2018, we offered a noteholder the option to convert its Note at a reduced conversion price of $0.46. The noteholder accepted and converted at such price. Pursuant to the terms of the conversion offer, an aggregate of $700,000 of principal and $5,212 of accrued interest outstanding under the Note were converted into 1,877,960 shares of common stock. The Company recognized an induced conversion cost of $57,201 related to the conversion. In December 2018, a noteholder redeemed a note with a principal balance of $300,000 in exchange for $150,000 in cash. We recognized a gain on redemption of convertible note income in the amount of $150,000 as a result of the transaction. On March 30, 2019, the remaining note holders agreed to extend the maturity dates of their aggregate of $5,000,000 in notes to April 3, 2020. See Note 14-Subsequent Events. Convertible notes consist of the following at:
|  | December 31, 2018 |  |  | December 31, 2017 |
Convertible notes |  | $ | 5,000,000 |  |  | $ | 6,000,000 |
Initial discount |  |  | (53,873 | ) |  |  | (61,904 | )
Accumulated amortization |  |  | 36,339 |  |  |  | 6,279 |
Convertible notes, net |  | $ | 4,982,466 |  |  | $ | 5,944,375 |

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