Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2021

Balance Sheet Components [Abstract]

Schedule of Cash and Cash Equivalents

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

	December 31,
	2021		2020
Cash	$	2,086	$	2,721
Cash equivalents:
Money market funds		38,522		14,638
Total cash and cash equivalents	$	40,608	$	17,359

Schedule of Inventory

Inventory consists of the following (in thousands):

	December 31,
	2021		2020
Finished goods	$	9,495	$	5,068
Component materials		6,187		5,133
Total inventory	$	15,682	$	10,201

Prepaid Expenses and Other Current Assets

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

	December 31,
	2021		2020
Prepaid expenses	$	1,264	$	1,794
Prepaid insurance		2,726		122
Other current assets		149		363
Total prepaid expenses and other current assets	$	4,139	$	2,279

Property and Equipment, Net

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

		December 31,
	Useful life (years)		2021		2020
Computers and software	2	$	730	$	653
Machinery and equipment	3		997		954
Furniture and fixtures	7		48		48
Tools and dies	2		941		936
Construction in progress	—		428		—
Equipment under customer usage agreements	3		10,612		7,918
Leasehold improvements	Lesser of useful life or lease term		155		155
			13,911		10,664
Less: accumulated depreciation and amortization			(9,317)		(7,784)
Property and equipment, net		$	4,594	$	2,880

Schedule of Intangible Assets, Net

Intangible asset, net consist of the following (in thousands):

	December 31, 2021
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Trademarks	$	3,969	$	(992)	$	2,977
Developed technology		30,819		(5,008)		25,811
Customer relationships		13,466		(7,294)		6,172
Other intangible assets		10		—		10
Total intangible assets	$	48,264	$	(13,294)	$	34,970

	December 31, 2020
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Trademarks	$	3,969	$	(382)	$	3,587
Developed technology		30,819		(1,926)		28,893
Customer relationships		13,466		(2,805)		10,661
Total intangible assets	$	48,254	$	(5,113)	$	43,141

Schedule of Future Amortization Expense of Intangible Assets

Future amortization expense of intangible assets as of December 31, 2021 is as follows (in thousands):

Year Ending December 31,
2022	$	8,182
2023		5,376
2024		3,693
2025		3,693
Thereafter		14,016
Total	$	34,960

Schedule of Accrued Compensation

Accrued compensation consists of the following (in thousands):

	December 31,
	2021		2020
Accrued vacation	$	1,469	$	1,184
Accrued bonuses		1,307		831
Accrued commissions		665		828
Other accrued personnel related expenses		77		46
Total accrued compensation	$	3,518	$	2,889

Schedule of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	December 31,
	2021		2020
Accrual for litigation	$	7,203	$	7,203
Accrued professional fees		974		824
Accrued sales and use taxes		657		754
Deferred rent		277		445
Accrual for inventory in transit		119		602
Contract liability		206		219
Others		1,037		157
Total accrued liabilities	$	10,473	$	10,204