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Stockholders' (Deficit) Equity | 12 Months Ended
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Dec. 31, 2024
Stockholders' (Deficit) Equity |
Stockholders' (Deficit) Equity | (7) Stockholders’ Equity (Deficit) (a) Overview The Company’s Amended and Restated Certificate of Incorporation was adopted on January 31, 2020, in conjunction with the closing of the Company’s initial public offering (the “IPO”) and amended on June 15, 2023 to increase the authorized number of shares. Currently, there are two classes of stock authorized which are designated, respectively, common stock and preferred stock. The total number of shares which the Company is authorized to issue is 72,000,000, each with a par value of $0.0001 per share. Of these shares, 70,000,000 is designated as common stock and 2,000,000 is preferred stock. (b) Common Stock Dividends Subject to the rights of holders of all classes of Company stock outstanding having rights that are senior to or equivalent to holders of common stock, the holders of the common stock are entitled to receive dividends when and as declared by the Board of Directors. Liquidation Subject to the rights of holders of all classes of stock outstanding having rights that are senior to or equivalent to holders of common stock as to liquidation, upon the liquidation, dissolution or winding up of the Company, the assets of the Company will be distributed to the holders of common stock. Voting The holders of common stock are entitled to one vote for each share of common stock held. There is no cumulative voting. (c) Preferred Stock Preferred stock may be issued from time to time by the Board in one or more series. There was no preferred stock issued or outstanding as of December 31, 2024 or December 31, 2023. (d) IPO Warrants In conjunction with the closing of the Company’s Initial Public Offering (“IPO”), the Company granted its underwriters 0.1 million warrants to purchase shares of Company common stock (“IPO Warrants”) at an exercise price of $7.50 per share, which was 125% of the IPO price. The IPO Warrants have a five-year term and were exercisable as of January 29, 2021 and have been classified by the Company as a component of stockholders’ equity. At both December 31, 2024 and December 31, 2023, 2,400 of the IPO Warrants were outstanding. No IPO Warrants were exercised during the years ended December 31, 2024 or 2023. (e) March 2023 ATM On March 31, 2023, the Company, entered into an At the Market (“ATM”) Equity Offering Sales Agreement (the “Sales Agreement” or “March 2023 ATM”) with BofA Securities, Inc. (“BofA”) and ThinkEquity LLC (“ThinkEquity” and, together with BofA, the “Sales Agents”), as sales agents, pursuant to which the Company could offer and sell, from time to time through the Sales Agents, shares of the Company’s common stock, par value $0.0001 per share (the “Common Stock”), having an aggregate offering price of up to $50.0 million. On April 4, 2023, the Company delivered written notice to BofA and ThinkEquity to terminate the Sales Agreement, effective April 9, 2023. The Company was not subject to any termination penalties related to the termination of the Sales Agreement. Prior to termination of the Sales Agreement, the Company sold 0.7 million shares of Common Stock pursuant to the Sales Agreement at a price of $10.88 per share, for gross proceeds of $7.6 million before commissions. As a result of the termination of the Sales Agreement, the Company will not offer or sell any additional shares of Common Stock under the Sales Agreement. (f) April 2023 Private Placement On April 7, 2023, the Company sold 0.1 million shares of its common stock in a private placement to individual members of its Board of Directors and management at a price of $12.61 per share, for aggregate proceeds of $1.1 million. (g) November 2023 Equity Offering and Warrant Issuance On October 31, 2023, the Company entered into an underwritten offering with a Canaccord Genuity LLC whereby the Company sold (i) 1,250,000 shares of common stock and (ii) warrants (“Canaccord Warrants”) to purchase an aggregate of 1,250,000 shares of common stock at an exercise price of $9.00 per share. The offering closed on November, 2, 2023. The warrants were exercisable immediately on the date of issuance and will expire five years after the date of issuance. The Company received $6.8 million in net cash proceeds after deducting underwriter discount and fees, as well as other third-party costs. The Canaccord Warrants are liability classified as they contain certain cash settlement adjustment features that are outside of the Company’s control or not deemed to be indexed to the Company’s stock. The following is a roll forward of the Common Stock Warrant Liability during the years ended December 31, 2023 and 2024, respectively:
​ | ​ | ​
Issuance of Canaccord Warrants | $ | 2,449,001
Exercise of 50,000 warrants | ​ | (606,201)
Change in fair value of warrant liabilities | ​ | 11,837,200
Warrant liability at December 31, 2023 | ​ | 13,680,000
Change in fair value of warrant liabilities |  | (3,625,893)
Exercise of 891,667 warrants |  | (9,317,107)
Warrant liability at December 31, 2024 | $ | 737,000
​ (h) Warrant Summary As of December 31, 2024, the Company had the following common stock warrants outstanding:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Outstanding |  | ​ |  | ​ |  | Outstanding |  | Exercise |  | ​
​ | ​ | ​ | ​ | December 31, | ​ | ​ | ​ | Exercised or | ​ | December 31, | ​ | price per | ​ | Expiration
​ | ​ | Classification | ​ | 2023 | ​ | Granted | ​ | Expired | ​ | 2024 | ​ | share | ​ | date
IPO warrants |  | Equity |  | 2,400 |  | — |  | — |  | 2,400 | ​ | $ | 7.50 | ​ | January 29, 2026
Canaccord warrants |  | Liability |  | 1,200,000 |  | — |  | (891,667) |  | 308,333 | ​ | $ | 9.00 | ​ | November 2, 2028
​ (i) November 2023 Private Placement On November 27, 2023, the Company sold 0.2 million shares of its common stock in a private placement to individual members of its Board of Directors and management at a price of $6.10 per share, for aggregate proceeds of $1.3 million. ​ (j) March 2024 Registered Direct Offerings On March 15, 2024 and March 21, 2024, the Company entered into two separate securities purchase agreements with the same institutional investor. When aggregating the results of both purchase agreements, the Company issued 0.4 million shares for net proceeds of $3.9 million in registered direct offerings. (k) April 2024 ELOC Purchase Agreement On April 25, 2024, the Company entered into an ELOC Purchase Agreement with an ELOC Purchaser, whereby we could offer and sell, from time to time at our sole discretion, and whereby the ELOC Purchaser committed to purchase, up to 2.0 million shares of shares of the Company’s common stock. The term of the agreement was until the expiration of the Company’s active S-3 Registration Statement, unless earlier terminated or exhausted. Due to certain pricing and settlement provisions, the ELOC Purchase Agreement qualified as a standby equity purchase agreement and included an embedded put option and embedded forward option. The Company therefore accounted for the ELOC Purchase Agreement as a derivative measured at fair value, with changes in the fair value recognized in the statements of operations within other financing costs. The Company initially recognized a derivative liability of $1.7 million related to the purchased put option at inception of the ELOC Purchase Agreement. The Company then expensed the difference between the discounted purchase price of the settled forward and the fair value of shares on the date of settlement as a noncash financing issuance cost. The Company recognized $1.3 million of noncash financing costs during the year ended December 31, 2024 related to the discounted purchase price of the settled forward and the underlying fair value of the shares issued. Upon execution of the ELOC Purchase Agreement, the Company agreed to issue to the ELOC Purchaser 33,937 shares of Common Stock as commitment shares (the “Commitment Shares”). The fair value of the Commitment Shares was $0.5 million, which was expensed within other financing costs in the statements of operations during the year ended December 31, 2024. The Company also incurred issuance costs of $0.1 million, consisting of legal costs incurred in connection with the ELOC Purchase Agreement, which were expensed within other financing costs in the statements of operations during the year ended December 31, 2024. The ELOC Purchaser agreed that during the term of the Purchase Agreement, neither it nor any of its affiliates would engage in any short sales or hedging transactions involving the Company’s common stock. Under the ELOC Purchase Agreement, on any business day (the “Purchase Date”), if the Company’s stock price is greater than or equal to $5.00 per share, the Company could direct the ELOC Purchaser to purchase common stock. The ELOC Purchaser’s committed obligation under any single Fixed Purchase could not exceed the lower of 25,000 shares of Common Stock or $250,000 (“Fixed Purchases”). In addition, the Company could also direct the ELOC Purchaser, on any trading day in which the Company submitted a Fixed Purchase notice for the maximum amount allowed for such Fixed Purchase, to purchase an additional amount of the Company’s common stock (a “VWAP Purchase”). The ELOC Purchaser’s committed obligation under any single VWAP Purchase could not exceed a number of shares of Common Stock equal to the lesser of (i) 300% of the number of Shares directed by the Company to be purchased by the Investor pursuant to the corresponding Fixed Purchase Notice and (ii) 30% of the trading volume in the Company’s Common Stock on the NYSE during the applicable VWAP Purchase Period on the applicable VWAP Purchase Date (“VWAP Purchase Maximum Amount”). The Company could also direct the ELOC Purchaser, on any trading day for which a VWAP Purchase had been completed and all of the shares had been placed, to purchase an additional amount of the Company’s common stock (an “Additional VWAP Purchase”). The ELOC Purchaser’s committed obligation under any single Additional VWAP Purchase was the lesser of (i) 300% of the number of Shares directed by the Company to be purchased by the Investor pursuant to the corresponding Fixed Purchase Notice and (ii) a number of Shares equal to (A) the Additional VWAP Purchase Share Percentage multiplied by (B) the trading volume of shares of Common Stock traded during the applicable Additional VWAP Purchase Period on the applicable Additional VWAP Purchase Date for such Additional VWAP Purchase (“Additional VWAP Purchase Maximum Amount”). The applicable pricing structure for each purchase type is outlined below: The purchase price per share for Fixed Purchases (“Fixed Purchase Price”) equals 95% of the lesser of: ​
| ● | the daily volume weighted average price (“VWAP”) of the Company’s Common Stock on the NYSE for the five (5) Trading Days immediately preceding the applicable Fixed Purchase Date for such Fixed Purchase; and
| ● | the Closing Sale Price of a share of Common Stock on the applicable Fixed Purchase Date.
​ The purchase price per share for VWAP Purchases (“VWAP Purchase Price”) equals 95% of the lesser of: ​
| ● | the VWAP during the applicable VWAP Purchase Period during the applicable VWAP Purchase Date.
| ● | the Closing Sale Price of the Common Stock on the applicable VWAP Purchase Date.
​ The purchase price per share for Additional VWAP Purchases (“Additional VWAP Purchase Price”) equals 95% of the lesser of: ​
| ● | the VWAP for the applicable Additional VWAP Purchase Period during the applicable Additional VWAP Purchase Date; and
| ● | the Closing Sale Price of the Common Stock on such applicable Additional VWAP Purchase Date.
​ In addition to the commitment shares referenced above, a total of 2.0 million shares of the Company’s common stock were issued under the ELOC Purchase Agreement during the year ended December 31, 2024, for net proceeds of $14.6 million. The facility was fully exhausted during 2024 and no further shares are available to issue as of December 31, 2024. ​ The following is a roll-forward of the ELOC derivative liability from date of execution to December 31, 2024: ​
​ | ​ | ​
Fair value at April 25, 2024 |  | 1,697,500
Settlements and changes in fair value of ELOC derivative liability |  | (1,192,500)
Fair value at June 30, 2024 |  | 505,000
Settlements and changes in fair value of ELOC derivative liability |  | (62,500)
Fair value at September 30, 2024 |  | 442,500
Settlements and changes in fair value of ELOC derivative liability |  | (442,500)
Fair value at December 31, 2024 |  | —
​ (l) December 2024 ATM On December 11, 2024, the Company entered into an Equity Distribution Agreement (“Distribution Agreement”) with Oppenheimer & Co. Inc., (“OpCo”) relating to the sale of shares of the Company’s common stock. In accordance with the terms of the Distribution Agreement, The Company may offer and sell shares of its common stock having an aggregate offering price of up to $50.0 million from time to time through or to OpCo, acting as agent or principal. During the year-ended December 31, 2024, the Company sold 26,788 million shares of common stock pursuant to the Distribution Agreement for gross proceeds of $0.2 million before commissions.

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