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Balance Sheet Components

9 Months Ended

Sep. 30, 2022

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 September 30,			As of December 31,
	2022			2021
Tools and equipment	$	2,154		$	1,685
Computer equipment and software		91			100
Furniture and fixtures		246			254
Leasehold improvements		34			29
Construction in process		406			590
		2,931			2,658
Less: Accumulated depreciation		(1,363	)		(1,204	)
Property and equipment, net	$	1,568		$	1,454

Depreciation expense was $0.2 million and $0.6 million for the three and nine months ended September 30, 2022, respectively. Depreciation expense was $0.2 million and $0.5 million for the three and nine months ended September 30, 2021, respectively.

Accrued and Other Current Liabilities

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


	As of September 30,		As of December 31,
	2022		2021
Accrued expenses	$	4,350	$	2,726
Current portion of lease liabilities		578		510
Short term interest payable		295		275
Other accrued liabilities		931		655
Total accrued and other current liabilities	$	6,154	$	4,166

Other Noncurrent Liabilities

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


	As of September 30,		As of December 31,
	2022		2021
Long term interest payable	$	1,111	$	841
Noncurrent portion of lease liabilities		601		1,040
Other noncurrent liabilities		39		38
Total other noncurrent liabilities	$	1,751	$	1,919