Loan Agreements	12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]
Loan Agreements	9. Loan Agreements SVB Loan Agreement The Company's loans (SVB Loan) under an agreement (the SVB Loan Agreement) with First Citizens BancShares, as successor to Silicon Valley Bank (SVB), as lender (the Lender), were originally due and payable on January 1, 2027. The loans bore interest that was payable monthly in arrears at a per annum rate equal to (i) with respect to the term facility, the greater of (x) the Wall Street Journal prime rate plus 2.25% and (y) 5.50% and (ii) with respect to the revolving facility, the Wall Street Journal Prime Rate. Commencing on February 1, 2024, the Company was scheduled to begin repaying the principal of the term facility in 36 consecutive equal monthly installments. At maturity or if earlier prepaid, the Company was also required to pay an exit fee equal to 2.00% of the aggregate principal amount of the term facility. On May 17, 2023, the Company utilized a portion of the upfront payment from the PRA with Alimera (see Note 3) to repay in full all outstanding amounts under the SVB Loan Agreement. The SVB Loan Agreement was terminated, and all security interests and other liens granted to or held by the Lender were terminated and released. This payment included (i) the remaining $30.0 million principal portion of the SVB Loan, (ii) $0.6 million, representing a prepayment fee equal to 2.00% of the aggregate principal amount of the term facility, (iii) a $0.6 million exit fee, (iv) accrued and unpaid interest of $0.1 million through the pay-off date, and (v) $0.2 million, representing in the aggregate a statement fee, termination fee and unused credit line fee under the revolving facility. As a result of the early repayment of the SVB Loan, the Company recorded a loss on extinguishment of debt of $1.4 million for the year ended December 31, 2023, related to the write-off of the remaining balance of unamortized debt discount and other extinguishment fees. Amortization of debt discount under the SVB Loan Agreement totaled $0.1 million and $0.2 million for the years ended December 31, 2023 and 2022, respectively.

Loan Agreements

12 Months Ended

Dec. 31, 2023

SVB Loan Agreement

The Company's loans (SVB Loan) under an agreement (the SVB Loan Agreement) with First Citizens BancShares, as successor to Silicon Valley Bank (SVB), as lender (the Lender), were originally due and payable on January 1, 2027. The loans bore interest that was payable monthly in arrears at a per annum rate equal to (i) with respect to the term facility, the greater of (x) the Wall Street Journal prime rate plus 2.25% and (y) 5.50% and (ii) with respect to the revolving facility, the Wall Street Journal Prime Rate. Commencing on February 1, 2024, the Company was scheduled to begin repaying the principal of the term facility in 36 consecutive equal monthly installments. At maturity or if earlier prepaid, the Company was also required to pay an exit fee equal to 2.00% of the aggregate principal amount of the term facility.

On May 17, 2023, the Company utilized a portion of the upfront payment from the PRA with Alimera (see Note 3) to repay in full all outstanding amounts under the SVB Loan Agreement. The SVB Loan Agreement was terminated, and all security interests and other liens granted to or held by the Lender were terminated and released. This payment included (i) the remaining $30.0 million principal portion of the SVB Loan, (ii) $0.6 million, representing a prepayment fee equal to 2.00% of the aggregate principal amount of the term facility, (iii) a $0.6 million exit fee, (iv) accrued and unpaid interest of $0.1 million through the pay-off date, and (v) $0.2 million, representing in the aggregate a statement fee, termination fee and unused credit line fee under the revolving facility. As a result of the early repayment of the SVB Loan, the Company recorded a loss on extinguishment of debt of $1.4 million for the year ended December 31, 2023, related to the write-off of the remaining balance of unamortized debt discount and other extinguishment fees.

Amortization of debt discount under the SVB Loan Agreement totaled $0.1 million and $0.2 million for the years ended December 31, 2023 and 2022, respectively.