Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2022

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Inventories

Inventories consist primarily of raw materials related to component parts and finished goods. The following is a summary of the Company’s inventories by category:

	December 31,
	2022		2021
	(in thousands)
Raw materials	$	410	$	1,905
Finished goods		4,626		3,807
Total inventories	$	5,036	$	5,712

Summary of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	December 31,
	2022		2021
	(in thousands)
Advances to suppliers	$	2,000	$	95
Marketing costs		1,709		1,948
Payroll advances		1,686		3,889
Software subscriptions		1,553		1,468
Product launch fee		252		—
Insurance costs		78		2,945
Other		568		528
Total prepaid expenses and other current assets	$	7,846	$	10,873

Summary of Property And Equipment, Net

Property and equipment, net, consists of the following:

	December 31,
	2022			2021
	(in thousands)
Capitalized software	$	11,579		$	11,569
Tools and lab equipment		5,087			4,712
Furniture and fixtures		2,440			906
Leasehold improvements		993			861
Computer and equipment		482			401
		20,581			18,449
Less accumulated depreciation and amortization		(13,140	)		(8,898	)
Total property and equipment, net	$	7,441		$	9,551

Summary of Accrued Expenses

Accrued expenses consist of the following:

	December 31,
	2022		2021
	(in thousands)
Accrued compensation	$	8,070	$	4,845
Accrued warranty reserve		3,765		4,014
Refunds due to customers		580		376
Other accrued expenses		300		—
Total accrued expenses	$	12,715	$	9,235

Summary of Sales Returns Reserve

The sales returns reserve consists of the following activity:

	Year ended December 31,
	2022			2021			2020
	(in thousands)
Sales returns reserve, beginning balance	$	13,827		$	4,326		$	3,759
Reduction of revenue		18,240			37,674			22,676
Decrease related to Pricing Concession		(11,263	)		—			—
Utilization of sales returns reserve		(16,862	)		(28,173	)		(22,109	)
Sales returns reserve, ending balance	$	3,942		$	13,827		$	4,326

Summary of Allowance for Credit Losses

The allowance for credit losses consists of the following activity:

	Year ended December 31,
	2022			2021			2020
	(in thousands)
Allowance for credit losses, beginning balance	$	4,838		$	1,868		$	225
Charged to expense		713			9,615			2,352
Accounts written off, net of recoveries		(5,393	)		(6,645	)		(709	)
Allowance for credit losses, ending balance	$	158		$	4,838		$	1,868

Summary of Accrued Warranty Reserve

The accrued warranty reserve consists of the following activity:

	Year ended December 31,
	2022			2021			2020
	(in thousands)
Accrued warranty reserve, beginning balance	$	4,014		$	2,390		$	450
Charged to cost of revenue		2,607			3,229			3,178
Utilization of accrued warranty reserve		(2,856	)		(1,605	)		(1,238	)
Accrued warranty reserve, ending balance	$	3,765		$	4,014		$	2,390