Subsequent Events	12 Months Ended
Dec. 31, 2023
Subsequent Events
Subsequent Events	13. Subsequent Events Warrant Exercise On February 22, 2024, the Company entered into a warrant exercise agreement (the “Exercise Agreement”) with a certain holder of its Warrants issued on July 6, 2022 and May 23, 2022 which were amended on December 3, 2023 (the “Exercising Holder”) wherein the Exercising Holder agreed to exercise a total of 3,892,572 warrants for cash, at an exercise price reduced by the Company to $1.25 per share (the “Warrant Exercise”). The gross proceeds from the Warrant Exercise were approximately $4.8 million before deducting placement agent fees and other expenses. In consideration for the Warrant Exercise, the Company issued new unregistered warrants to purchase shares of Common Stock (the “New Warrants”). The New Warrants are exercisable for an aggregate of up to 7,785,144 shares of Common Stock, at an exercise price of $1.00 per share and will be immediately exercisable upon issuance. 3,992,572 of the New Warrants will have a term of five years from the issuance date and 3,792,572 of the New Warrants will have a term of eighteen months from the issuance date. The exercise price of the New Warrants is subject to adjustment for stock splits, reverse splits, and similar capital transactions as described in the New Warrants. H.C. Wainwright & Co., LLC acted as placement agent and financial advisor in connection with the transaction and will receive a cash fee of 7.0% of the gross proceeds resulting from the Warrant Exercise, a management fee of 1.0% of the gross proceeds resulting from the Warrant Exercise and warrants (the “Placement Agent Warrants”) to purchase a number of shares of Common Stock equal to 5.0% of the number of Warrants exercised at an exercise price of $1.5625. Perceptive Credit Agreement On February 9, 2024, the Company and Perceptive entered into an eighth amendment to the Perceptive Credit Agreement (the “Eighth Amendment”). The Eighth Amendment extended the maturity date of the Perceptive Credit Agreement from February 10, 2024 until March 11, 2024 (the “Maturity Date”). Effective December 1, 2023, the Company has been making monthly payments of $150,000 on the outstanding loan balance and on March 11, 2024, the Company paid off the remainder of the principal balance of $1.35 million.

Subsequent Events

12 Months Ended

Dec. 31, 2023

13. Subsequent Events

Warrant Exercise

On February 22, 2024, the Company entered into a warrant exercise agreement (the “Exercise Agreement”) with a certain holder of its Warrants issued on July 6, 2022 and May 23, 2022 which were amended on December 3, 2023 (the “Exercising Holder”) wherein the Exercising Holder agreed to exercise a total of 3,892,572 warrants for cash, at an exercise price reduced by the Company to $1.25 per share (the “Warrant Exercise”).

The gross proceeds from the Warrant Exercise were approximately $4.8 million before deducting placement agent fees and other expenses.

In consideration for the Warrant Exercise, the Company issued new unregistered warrants to purchase shares of Common Stock (the “New Warrants”). The New Warrants are exercisable for an aggregate of up to 7,785,144 shares of Common Stock, at an exercise price of $1.00 per share and will be immediately exercisable upon issuance. 3,992,572 of the New Warrants will have a term of five years from the issuance date and 3,792,572 of the New Warrants will have a term of eighteen months from the issuance date. The exercise price of the New Warrants is subject to adjustment for stock splits, reverse splits, and similar capital transactions as described in the New Warrants.

H.C. Wainwright & Co., LLC acted as placement agent and financial advisor in connection with the transaction and will receive a cash fee of 7.0% of the gross proceeds resulting from the Warrant Exercise, a management fee of 1.0% of the gross proceeds resulting from the Warrant Exercise and warrants (the “Placement Agent Warrants”) to purchase a number of shares of Common Stock equal to 5.0% of the number of Warrants exercised at an exercise price of $1.5625.

Perceptive Credit Agreement

On February 9, 2024, the Company and Perceptive entered into an eighth amendment to the Perceptive Credit Agreement (the “Eighth Amendment”). The Eighth Amendment extended the maturity date of the Perceptive Credit Agreement from February 10, 2024 until March 11, 2024 (the “Maturity Date”). Effective December 1, 2023, the Company has been making monthly payments of $150,000 on the outstanding loan balance and on March 11, 2024, the Company paid off the remainder of the principal balance of $1.35 million.