| Schedule of Debt |
Notes payable, long-term borrowing, and convertible notes consist of the following (in thousands, except stated interest rate): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Note | | Stated Interest Rate | | Principal Balance | | Capitalized Interest | | Debt Premium (Discount) | | June 30,
2025 | | | 2026 Convertible Notes | | 3.25% | | $ | 144,765 | | | $ | — | | | $ | (635) | | | $ | 144,130 | | | | 2029 Convertible Notes | | 7.5% | | 177,506 | | | — | | | 10,019 | | | $ | 187,525 | | | | Note payable | | 10.0% | | 2,700 | | | 4,661 | | | — | | | 7,361 | | | | Bpifrance | | 2.25% | | 821 | | | — | | | — | | | 821 | | | | Other | | 4.0% | | 30 | | | 10 | | | — | | | 40 | | | | | | | $ | 325,822 | | | $ | 4,671 | | | $ | 9,384 | | | $ | 339,877 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Note | | Stated Interest Rate | | Principal Balance | | Capitalized Interest | | Debt Premium (Discount) | | December 31,
2024 | | | 2026 Convertible Notes | | 3.25% | | $ | 144,765 | | | $ | — | | | $ | (1,132) | | | $ | 143,633 | | | | 2029 Convertible Notes | | 7.5% | | 177,506 | | | — | | | 11,244 | | | $ | 188,750 | | | | Note payable | | 10.0% | | 2,700 | | | 4,284 | | | — | | | $ | 6,984 | | | | Bpifrance | | 2.25% | | 1,042 | | | — | | | — | | | $ | 1,042 | | | | Other | | 4.0% | | 30 | | | 10 | | | — | | | 40 | | | | | | | $ | 326,043 | | | $ | 4,294 | | | $ | 10,112 | | | $ | 340,449 | | |
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