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Balance Sheet Components
 12 Months Ended
Dec. 31, 2024
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,
20242023
Prepaid research and development contract services
$1,206 $1,883 
Advanced professional fees243 300 
Prepaid insurance347 376 
Other prepaid expenses and other current assets101 173 
Total prepaid and other current assets
$1,897 $2,732 
Property and Equipment, Net
Property and equipment, net was comprised of the following (in thousands):
December 31,
20242023
Equipment
$1,661 $1,574 
Furniture and fixtures
242 242 
Leasehold improvements
132 132 
Total property and equipment
2,035 1,948 
Less: accumulated depreciation
(1,552)(1,231)
Property and equipment, net
$483 $717 
Depreciation expense for the years ended December 31, 2024 and 2023 was $0.3 million and $0.4 million, respectively.
Other long-term prepaid assets
Other long-term prepaid assets consisted of the advance payments for clinical trial services, totaling $0.6 million and $2.8 million as of December 31, 2024 and December 31, 2023, respectively.
Accrued Expenses
Accrued expenses consisted of the following (in thousands):
December 31,
20242023
Accrued professional fees
$1,167 $945 
Accrued compensation and benefits2,312 1,849 
Accrued research and development
4,910 912 
Other accrued expenses
26 51 
Total accrued expenses$8,415 $3,757