| Balance Sheet Detail |
4. Balance Sheet Detail Prepaid expenses and other current assets: | | | | | | | | | | June 30, | | December 31, | | | | 2025 | | 2024 | | Research and development | | $ | 793,000 | | $ | 1,514,000 | | Insurance | | | 49,000 | | | 156,000 | | Other | | | 124,000 | | | 178,000 | | | | $ | 966,000 | | $ | 1,848,000 | |
Property and equipment: | | | | | | | | | June 30, | | December 31, | | | 2025 | | 2024 | Computer and office equipment | | $ | 84,000 | | $ | 84,000 | Less accumulated depreciation | | | (76,000) | | | (74,000) | | | $ | 8,000 | | $ | 10,000 |
Accrued expenses and other current liabilities: | | | | | | | | | | June 30, | | December 31, | | | | 2025 | | 2024 | | Research and development | | $ | 192,000 | | $ | 2,331,000 | | Employee compensation | | | 502,000 | | | 265,000 | | Professional fees | | | 1,899,000 | | | 525,000 | | | | $ | 2,593,000 | | $ | 3,121,000 | |
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