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Long-Term Debt (Tables)
12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Schedule of Debt
Long-term debt consisted of the following:
(in thousands)December 31,
2024
December 31,
2023
Principal amount of long-term debt$75,000 $55,000 
Debt discount, net of accretion(650)(917)
Cumulative accrual of end of term payments1,075 487 
Long-term debt$75,425 $54,570 
Interest Income and Interest Expense Disclosure
The Company recognized interest expense under the Hercules Loan Agreement as follows:

(in thousands)For the years ended
202420232022
Total interest expense$8,768 $5,777 $3,989 
Non-cash interest expense$856 $929 $918 
Schedule of Maturities of Long-term Debt
As of December 31, 2024, future principal payments and accrued end-of-term payments due under the Hercules Loan Agreement were as follows (in thousands):
Year Ending December 31Total
2025— 
2026— 
2027$76,076 
Long-term debt, including end-of-term payments$76,076