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Equity Transactions | 6 Months Ended
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Jun. 30, 2023
Equity [Abstract] |
Equity Transactions | Equity Transactions In a registered direct offering concurrent with the 2022 Notes and Warrants Offering referred to in Note 4, on August 11, 2022, the Company entered into a Securities Purchase Agreement (the “Additional Purchase Agreement” and together with the Securities Purchase Agreement further discussed in Note 4, the “Purchase Agreements”) with certain accredited investors to sell at a purchase price of $2.65 per share an aggregate of 1,132,075 shares of the Company’s common stock and warrants to purchase up to an aggregate of 1,132,075 shares of the Company’s common stock (the “Additional Warrants”) (the “Stock and Additional Warrants Offering”). Each Additional Warrant is exercisable at a price of $2.65 per share and expires on February 14, 2028. The issuance of the Shares and the Additional Warrants were conducted as a registered direct offering pursuant to the Company’s currently effective Registration Statement on Form S-3, previously filed with and declared effective by the SEC, and prospectus supplements thereunder. The Stock and Additional Warrants Offering closed on August 12, 2022, and the Company raised net cash proceeds of $2.8 million. The Additional Warrants were assessed and concluded to be liability instruments due to cash purchase settlement provisions, and as a result all changes in the fair value of the Additional Warrants will be recognized in the Company's consolidated statements of operations until they are either exercised or expire. The Additional Warrants are not traded in an active securities market and, as such, the estimated fair value at inception was $1.6 million determined utilizing a Black-Scholes option pricing model and is reflected on the balance sheet line "Warrant liabilities" and as an adjustment to Additional Paid-in Capital. In accordance with the 2022 Notes and Warrants offering described further in Note 4, during the six months ended June 30, 2023 at the Company's election 6,420,519 shares were issued for the April 1, 2023 through the July 1, 2023 principal amortization installment date payments, which in total reduced the convertible notes principal balance by $6.0 million and is discussed further in Note 4. The payment for the July 1, 2023 principal amortization installment date was completed on June 30, 2023. During the three months ended June 30, 2023, at the Company's election, 1,492,540 shares were prefunded to the holders of the Notes (as defined below) for the August 1, 2023 principal amortization installment date, which is represented in the balance sheet line "Prepaid expenses and other current assets" as of June 30, 2023. There were no conversions by the holders of the Notes during the six months ended June 30, 2023.

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