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Balance Sheet Components
 9 Months Ended
Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance Sheet Components Balance Sheet Components
Prepaid and Other Current Assets
Prepaid and other current assets consisted of the following (in thousands):
September 30,
2025		December 31,
2024
Prepaid research and development contract services$107 $1,206 
Advanced professional fees238 243 
Prepaid insurance
444 347 
Other prepaid expenses and other current assets65 101 
Total prepaid and other current assets$854 $1,897 
Property and Equipment, Net
Property and equipment, net was comprised of the following (in thousands):
September 30,
2025		December 31,
2024
Equipment
$1,661 $1,661 
Furniture and fixtures
242 242 
Leasehold improvements
132 132 
Total property and equipment
2,035 2,035 
Less: accumulated depreciation
(1,707)(1,552)
Property and equipment, net
$328 $483 
Depreciation expense for the three and nine months ended September 30, 2025 was $0.1 million and $0.2 million, respectively. For the three and nine months ended September 30, 2024, depreciation expense was immaterial and $0.2 million, respectively.
Other long-term prepaid assets
Other long-term prepaid assets consisted of the advance payments for clinical trial services, totaling $0.8 million and $0.6 million for September 30, 2025 and December 31, 2024, respectively.
Accrued Expenses
Accrued expenses consisted of the following (in thousands):
September 30,
2025		December 31,
2024
Accrued professional fees$761 $1,167 
Accrued compensation and benefits1,688 2,312 
Accrued research and development2,714 4,910 
Other accrued expenses50 26 
Total accrued expenses
$5,213 $8,415