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Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Cash and Cash Equivalents

The Company’s cash and cash equivalents consist of the following (in thousands):

			December 31,
			2022						2021
Cash			$	97,089					$	141,239
Cash equivalents:
Money market funds			4,647						831
Commercial paper			—						2,000
Corporate bonds			—						4,410
Total cash and cash equivalents			$	101,736					$	148,480

Schedule of Inventory

Inventory consists of the following (in thousands):

			December 31,
			2022						2021
Raw materials			$	3,820					$	3,738
Work in process			386						518
Finished goods			15,641						12,029
Total inventory			$	19,847					$	16,285
Reported as:
Inventory			$	14,564					$	16,285
Long-term inventory			5,283						—
Total inventory			$	19,847					$	16,285

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following (in thousands):

			December 31,
			2022						2021
Prepaid expenses			$	2,044					$	1,869
Prepaid insurance			1,407						2,305
VAT and other receivable			602						362
Other current assets			290						347
Total prepaid expenses and other current assets			$	4,343					$	4,883

Schedule of Property and Equipment, Net

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

			December 31,
			2022						2021
Machinery and equipment			$	2,112					$	1,635
Computer equipment and software			1,773						1,561
Furniture and fixtures			263						252
Leasehold improvements			2,277						2,277
Construction in progress			1,825						1,332
Total			8,250						7,057
Less: accumulated depreciation			(3,556)						(2,243)
Property and equipment, net			$	4,694					$	4,814

Schedule Intangible Assets

Intangible assets consist of the following (in thousands):

			December 31, 2022
			Gross Carrying Value						Accumulated Amortization						Net Carrying Value
Developed technology			$	1,658					$	(1,520)					$	138
Trademarks			191						(175)						16
Total intangible assets			$	1,849					$	(1,695)					$	154

			December 31, 2021
			Gross Carrying Value						Accumulated Amortization						Net Carrying Value
Developed technology			$	1,658					$	(1,410)					$	248
Trademarks			191						(162)						29
Total intangible assets			$	1,849					$	(1,572)					$	277

Schedule of Future Amortization Expense

Future amortization expense is as follows (in thousands):

Year Ending December 31,
2023			$	123
2024			31
Total amortization expense			$	154

Schedule of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

			December 31,
			2022						2021
Accrued employee bonuses and commissions			$	4,973					$	4,741
Accrued vacation			2,113						1,850
Other accrued personnel related expenses			2,513						2,145
Accrued professional fees			2,366						2,420
Sales taxes, franchise tax and VAT			627						730
Liability for early exercise of stock options			145						399
Accrued inventory purchases			167						258
Other			372						823
Total accrued liabilities			$	13,276					$	13,366

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