| SUPPLEMENTAL FINANCIAL INFORMATION Prepaid expenses and other assets as of December 31, 2025 and 2024 consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | December 31, 2025 | | Prepaid Expenses and Other Current Assets | | Other Long-Term Assets | | Total Prepaid Expenses and Other Assets | | Research and development service agreements | $ | 3,527 | | | $ | 29 | | | $ | 3,556 | | | Other receivables | 625 | | | — | | | 625 | | | Prepaid insurance | 601 | | | — | | | 601 | | | Dues and subscriptions | 368 | | | — | | | 368 | | | Right-of-use asset | — | | | 140 | | | 140 | | | Property and equipment, net (1) | — | | | 103 | | | 103 | | | Other | 266 | | | 78 | | | 344 | | | Total | $ | 5,387 | | | $ | 350 | | | $ | 5,737 | |
| | | | | | | | | | | | | | | | | | | December 31, 2024 | | Prepaid Expenses and Other Current Assets | | Other Long-Term Assets | | Total Prepaid Expenses and Other Assets | | Research and development service agreements | $ | 4,841 | | | $ | 75 | | | $ | 4,916 | | | Prepaid insurance | 858 | | | — | | | 858 | | | Other receivables | 345 | | | — | | | 345 | | | Dues and subscriptions | 230 | | | — | | | 230 | | | Right-of-use asset | — | | | 266 | | | 266 | | | Property and equipment, net (1) | — | | | 73 | | | 73 | | | Other | 475 | | | 72 | | | 547 | | | Total | $ | 6,749 | | | $ | 486 | | | $ | 7,235 | |
(1) As of December 31, 2025 and 2024, accumulated depreciation totaled approximately $0.2 million and $0.1 million, respectively. Accrued expenses and other current liabilities as of December 31, 2025 consisted of the following (in thousands): | | | | | | | | | | | Accrued Expenses and Other Current Liabilities | | | | | | Research and development | $ | 5,427 | | | | | | | Compensation and other employee liabilities | 4,066 | | | | | | | Interest | 249 | | | | | | | Operating lease liability | 150 | | | | | | | Other | 180 | | | | | | | Total | $ | 10,072 | | | | | |
Accrued expenses and other liabilities as of December 31, 2024 consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | December 31, 2024 | | Accrued Expenses and Other Current Liabilities | | Other Long-Term Liabilities | | Total Accrued Expenses and Other Liabilities | | Compensation and other employee liabilities | $ | 4,207 | | | $ | — | | | $ | 4,207 | | | Research and development | 1,796 | | | — | | | 1,796 | | | Interest | 249 | | | — | | | 249 | | | Operating lease liability | 133 | | | 150 | | | 283 | | | Other | 230 | | | — | | | 230 | | | Total | $ | 6,615 | | | $ | 150 | | | $ | 6,765 | |
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