| Schedule of Debt |
The following tables summarize outstanding debt as of June 30, 2026, and December 31, 2025. | | | | | | | | | | | | | | | | | | | | | | | Principal | | Unamortized Debt Issuance Costs & Discount | | Carrying
Value | | Convertible senior unsecured notes, due 2026 | (1) | | $ | 7,799 | | | $ | (7) | | | $ | 7,792 | | | Convertible senior secured notes, due 2028 | | 333,334 | | | (68,006) | | | 265,328 | | | Convertible senior unsecured notes, due 2030 | | 134,000 | | | (1,837) | | | 132,163 | | | | | | | | | | Balance as of June 30, 2026 | | $ | 475,133 | | | $ | (69,850) | | | $ | 405,283 | |
______________________________________ (1)The 2026 Notes are included in current debt in the unaudited Condensed Consolidated Balance Sheets as of June 30, 2026. | | | | | | | | | | | | | | | | | | | | | | | Principal | | Unamortized Debt Issuance Costs & Discount | | Carrying
Value | | Convertible senior unsecured notes, due 2026 | (1) | $ | 7,799 | | | $ | (27) | | | $ | 7,772 | | | Convertible senior secured notes, due 2028 | | 333,334 | | | (80,247) | | | 253,087 | | | Convertible senior unsecured notes, due 2030 | | 134,000 | | | (2,027) | | | 131,973 | | | | | | | | | | Balance as of December 31, 2025 | | $ | 475,133 | | | $ | (82,301) | | | $ | 392,832 | |
______________________________________(1)The 2026 Notes are included in current debt in the unaudited Condensed Consolidated Balance Sheets as of June 30, 2026.
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| Schedule of Interest Expense |
The following table details interest expense recognized for our convertible senior notes. | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Contractual interest expense for 2026 Notes | $ | 14 | | | $ | 230 | | | $ | 29 | | | $ | 556 | | | Contractual interest expense for 2028 Notes | 5,625 | | 5,625 | | 11,250 | | 11,250 | | Contractual interest expense for 2030 Notes | 3,015 | | 1,005 | | 6,030 | | 1,005 | | Amortization of debt issuance costs and discount for 2026 Notes | 10 | | 167 | | 20 | | 403 | | Amortization of debt issuance costs and discount for 2028 Notes | 6,131 | | 5,114 | | 12,241 | | 10,251 | | Amortization of debt issuance costs for 2030 Notes | 96 | | 36 | | 190 | | 36 | | $ | 14,891 | | | $ | 12,177 | | | $ | 29,760 | | | $ | 23,501 | |
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