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Balance Sheet Components
 12 Months Ended
Dec. 31, 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):
December 31,
20252024
Prepaid research and development contract services
$115 $1,206 
Advanced professional fees193 243 
Prepaid insurance367 347 
Other prepaid expenses and other current assets73 101 
Total prepaid and other current assets
$748 $1,897 
Property and Equipment, Net
Property and equipment, net was comprised of the following (in thousands):
December 31,
20252024
Equipment$1,661 $1,661 
Furniture and fixtures258 242 
Leasehold improvements132 132 
Total property and equipment2,051 2,035 
Less: accumulated depreciation(1,756)(1,552)
Property and equipment, net$295 $483 
Depreciation expense for the years ended December 31, 2025 and 2024 was $0.2 million and $0.3 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 as of December 31, 2025 and December 31, 2024, respectively.
Accrued Expenses
Accrued expenses consisted of the following (in thousands):
December 31,
20252024
Accrued professional fees
$818 $1,167 
Accrued compensation and benefits2,528 2,312 
Accrued research and development
2,298 4,910 
Accrued interest741 — 
Other accrued expenses
42 26 
Total accrued expenses$6,427 $8,415