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Debt (Tables)
12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Outstanding Debt and Interest Expense
Outstanding debt consisted of the following (in thousands):
December 31, 2023
Principal value of Term Loan, including final payment of $1,635
$31,635 
Fair value of bifurcated embedded derivatives2,560 
Unamortized debt discount(4,298)
Total debt, long-term$29,897 
The following table provides the components of interest expense (in thousands):
Year Ended
December 31, 2023
Interest expense based on the coupon interest rate of the outstanding debt$418 
Accretion of debt discount145 
Total interest expense$563 
Schedule of Aggregate Principal Payments
As of December 31, 2023, the aggregate principal payments due for the Term Loan by year are as follows (in thousands):

Year ended December 31, 2026$10,104 
Year ended December 31, 202721,531 
Total principal payment due for Term Loan$31,635