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Composition of Certain Consolidated Financial Statement Line Items
 12 Months Ended
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Composition of Certain Financial Statement Line Items Composition of Certain Consolidated Financial Statement Line Items
Property and Equipment, Net
Property and equipment consisted of the following:
(in thousands)
December 31, 2025
December 31, 2024
Laboratory equipment$6,531 $6,469 
Leasehold improvements118 118 
Computer hardware542 484 
Furniture, fixtures and office equipment322 324 
Prototype equipment2,258 2,029 
Construction in progress1,807 1,186 
11,578 10,610 
Less: Accumulated depreciation(8,121)(6,534)
Total$3,457 $4,076 
The Company recorded $1.7 million and $2.0 million of depreciation expense for the years ended December 31, 2025 and 2024, respectively, which was primarily allocated to research and development expense.
Accrued Expenses and Other Liabilities
Accrued expenses and other liabilities consisted of the following:
(in thousands)December 31, 2025December 31, 2024
Employee compensation$2,514 $1,343 
Accrued professional and consulting fees
259 219 
Accrued research and development
221 468 
Other183 518 
Total$3,177 $2,548 
Cash, Cash Equivalents and Restricted Cash
Cash, cash equivalents and restricted cash consisted of the following:
(in thousands)December 31, 2025December 31, 2024
Cash and cash equivalents$12,388 $27,646 
Restricted cash included in other long-term assets (Note 8)
1,002 1,002 
Total$13,390 $28,648 
Other long-term assets consisted of $1.0 million of restricted cash and $0.2 million of deposits as of December 31, 2025 and 2024.