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Debt (Tables)
 12 Months Ended
Dec. 31, 2025
Debt Disclosure [Abstract]  
Schedule of Net Carrying Amount of Debt
The 2029 Senior Secured Notes, net consists of the following (in thousands):
December 31,
20252024
Principal gross amount$40,879 $40,879 
Add: unamortized debt premium1,247 1,621 
Less: unamortized issuance costs(515)(670)
Net carrying amount$41,611 $41,830 
The 2025 Convertible Notes as of December 31, 2024 consisted of the following (in thousands):
December 31,
2024
Principal$14,949 
Less: unamortized debt discount (25)
Less: unamortized issuance costs(19)
Net carrying amount$14,905 
Schedule of Interest Expense
The following table sets forth total interest expense, annualized effective interest rate, and interest expense related to related parties, if applicable, for each of the debt instruments detailed above (in thousands, except for percentages):
Year Ended December 31,
20252024
2029 Senior Secured Notes
Contractual interest expense$3,679 $562 
Amortization of debt issuance costs154 24 
Amortization of debt discount/premium(373)(57)
Total interest expense$3,460 $529 
Related party interest expense$2,689 411 
Working Capital Facility
Contractual interest expense$15 $— 
Amortization of debt issuance costs19 — 
Total interest expense$34 $— 
2025 Convertible Notes
Contractual interest expense$163 $3,912 
Amortization of debt issuance costs20 489 
Amortization of debt discount/premium25 614 
Total interest expense$208 $5,015 
Related party interest expense$— $2,847 
Short-Term Loan
Contractual interest expense$— 1,391 
Amortization of debt discount/premium— 3,330 
Total interest expense$— $4,721 
Related party interest expense$— 4,721 
Prior Credit Facility
Contractual interest expense$— $312 
Accretion of exit fee— 75 
Amortization of debt issuance costs— 117 
Total interest expense$— $504 
Other interest expense69 137 
Consolidated interest expense$3,771 $10,906