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Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Property and Equipment, Net

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


		As of March 31,				As of December 31,
		2023				2022
Tools and equipment		$	2,085			$	2,173
Computer equipment and software			37				37
Furniture and fixtures			183				282
Leasehold improvements			38				38
Construction in process			429				475
			2,772				3,005
Less: Accumulated depreciation			(1,379	)			(1,434	)
Property and equipment, net		$	1,393			$	1,571

Summary of Accrued and Other Current Liabilities

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


		As of March 31,				As of December 31,
		2023				2022
Accrued expenses		$	4,361			$	5,307
Current portion of lease liabilities			1,069				1,033
Short term interest payable			364				348
Other accrued liabilities			892				1,087
Total accrued and other current liabilities		$	6,686			$	7,775

Summary of Other Noncurrent Liabilities

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


		As of March 31,				As of December 31,
		2023				2022
Long term interest payable		$	1,272			$	1,194
Noncurrent portion of lease liabilities			353				635
Other noncurrent liabilities			38				38
Total other noncurrent liabilities		$	1,663			$	1,867