Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2024

Balance Sheet Related Disclosures [Abstract]

Components of Inventory

Inventory consists of the following (in thousands):

	March 31,		December 31,
	2024		2023
Work in process	$	6,654	$	4,795
Finished goods		4,417		4,723
Total inventory	$	11,071	$	9,518

Components of Property and Equipment - Net

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

	March 31,			December 31,
	2024			2023
Machinery, Computer equipment and software	$	2,576		$	2,759
Leasehold improvements		94			94
Furniture		38			36
Total property and equipment		2,708			2,889
Less: accumulated depreciation		(2,299	)		(2,367	)
Total property and equipment, net	$	409		$	522

Summary of Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the three months ended March 31, 2024 are as follows (in thousands):

	Total
Goodwill at December 31, 2023	$	891
Adjustments		—
Goodwill at March 31, 2024	$	891

Summary of Intangible Assets Except Goodwill

Intangible assets, except goodwill consist of the following (in thousands):

	March 31,
	2024
Acquired intellectual property	$	1,090
Total finite-lived intangible assets		1,090
Less: accumulated amortization		(82	)
Total finite-lived intangible assets, net	$	1,008

Summary of Expected Amortization Expense

As of March 31, 2024, expected amortization expense for the unamortized intangible assets for the next five years and thereafter is as follows (in thousands):

Year Ending December 31,	Amount
Remainder of 2024	$	82
2025		109
2026		109
2027		109
2028		109
Thereafter		490
Total	$	1,008

Components of Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	March 31,		December 31,
	2024		2023
Payroll-related expenses	$	1,326	$	983
Taxes payable		1,256		468
Accrued inventory		254		401
Engineering service		196		199
Accrued warranty		178		180
Professional fees		108		23
Other		33		68
Total accrued liabilities	$	3,351	$	2,322