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Balance Sheet Components

6 Months Ended

Jun. 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 June 30,			As of December 31,
	2022			2021
Tools and equipment	$	2,259		$	1,685
Computer equipment and software		100			100
Furniture and fixtures		254			254
Leasehold improvements		34			29
Construction in process		611			590
		3,258			2,658
Less: Accumulated depreciation		(1,541	)		(1,204	)
Property and equipment, net	$	1,717		$	1,454

Depreciation expense was $0.2 million and $0.4 million for the three and six months ended June 30, 2022, respectively. Depreciation expense was $0.2 million and $0.3 for the three and six months ended June 30, 2021, 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,
	2022		2021
Accrued expenses	$	3,525	$	2,726
Current portion of lease liabilities		556		510
Short term interest payable		266		275
Other accrued liabilities		839		655
Total accrued and other current liabilities	$	5,186	$	4,166

Other Noncurrent Liabilities

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


	As of June 30,		As of December 31,
	2022		2021
Noncurrent portion of lease liabilities	$	753	$	1,040
Long term interest payable		1,018		841
Other noncurrent liabilities		38		38
Total other noncurrent liabilities	$	1,809	$	1,919