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Composition of Certain Condensed Consolidated Financial Statement Line Items
 6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Composition of Certain Condensed Consolidated Financial Statement Line Items Composition of Certain Condensed Consolidated Financial Statement Line Items
Property and Equipment, Net
Property and equipment consisted of the following:
(in thousands)June 30,
2026		December 31,
2025
Laboratory equipment$6,647 $6,531 
Leasehold improvements117 118 
Computer hardware542 542 
Furniture, fixtures and office equipment322 322 
Prototype equipment2,326 2,258 
Construction in progress2,759 1,807 
12,713 11,578 
Less: Accumulated depreciation(8,714)(8,121)
Total$3,999 $3,457 
The Company recorded depreciation expense of $0.3 million and $0.6 million for the three and six months ended June 30, 2026, and $0.4 million and $0.9 million for the three and six months ended June 30, 2025, 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)June 30,
2026		December 31,
2025
Employee compensation$1,992 $2,514 
Accrued research and development
703 221 
Accrued professional and consulting fees
398 259 
Grant liabilities224 — 
Other236 183 
Total$3,553 $3,177 
Cash, Cash Equivalents and Restricted Cash
Cash, cash equivalents and restricted cash consisted of the following:
(in thousands)June 30,
2026		December 31,
2025
Cash and cash equivalents$13,166 $12,388 
Restricted cash included in other long-term assets (Note 8)1,002 1,002 
Total$14,168 $13,390 
Other long-term assets consisted of $1.0 million of restricted cash and $0.2 million of deposits as of June 30, 2026 and December 31, 2025.