Balance Sheet Components

6 Months Ended

Jun. 30, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Note 4. Balance Sheet Components

Property and Equipment, Net

Property and equipment, net consist of the following (in thousands):


	As of June 30,			As of December 31,
	2026			2025
Tools and equipment	$	2,208		$	2,215
Computer equipment and software		37			37
Furniture and fixtures		455			461
Leasehold improvements		38			38
Construction in process		1,423			1,260
		4,161			4,011
Less: Accumulated depreciation		(2,494	)		(2,401	)
Property and equipment, net	$	1,667		$	1,610

Depreciation expense was less than $0.1 million for the three months ended June 30, 2026 and $0.1 million for the three months ended June 30, 2025, respectively. Depreciation expense was $0.1 million and $0.2 million for the six months ended June 30, 2026, and 2025, respectively.

Accrued and Other Current Liabilities

Accrued and other current liabilities consist of the following (in thousands):


	As of June 30,		As of December 31,
	2026		2025
Accrued expenses	$	2,334	$	2,140
Current portion of lease liabilities		394		475
Short-term interest payable		345		357
Other accrued liabilities		732		638
Total accrued and other current liabilities	$	3,805	$	3,610

Other Noncurrent Liabilities

Other noncurrent liabilities consist of the following (in thousands):


	As of June 30,		As of December 31,
	2026		2025
Noncurrent portion of lease liabilities	$	804	$	—
Other noncurrent liabilities		30		31
Total other noncurrent liabilities	$	834	$	31