Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) ¥ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) segment	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 CNY (¥)	Jan. 16, 2024 USD ($)	Jan. 16, 2024 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Aug. 26, 2022 USD ($)
Accounting Policies [Line Items]
Number of operating segments | segment	1
Number of reportable segments | segment	1
Cash, cash equivalents, restricted cash, and restricted cash equivalents	$ 177,918,000	$ 131,544,000	$ 177,918,000	$ 131,544,000				$ 167,630,000	$ 299,500,000
Cash, FDIC insured amount	250,000		250,000
Restricted cash	30,000		$ 30,000					331,000
Restricted cash equivalents		300,000		300,000
Upfront and payment terms			30 days
Total revenue, net	$ 46,617,000	49,693,000	$ 91,477,000	86,781,000
Product warranty obligation, term	1 year		1 year		1 year
Common stock, value, issued	$ 132,000		$ 132,000					$ 131,000
Advertising, marketing and media expenses	1,300,000	1,300,000	2,200,000	$ 2,100,000
Building | Revolving Credit Facility | Line of Credit
Accounting Policies [Line Items]
Debt instrument, collateral amount	2,800,000		2,800,000		¥ 20.0	$ 2,800,000	¥ 20.0
At Market Offering
Accounting Policies [Line Items]
Deferred offering costs	700,000		700,000
2022 Sales Agreement
Accounting Policies [Line Items]
Deferred offering costs	700,000		$ 700,000
2022 Sales Agreement | At Market Offering
Accounting Policies [Line Items]
Common stock, value, issued										$ 150,000,000
Bill-and-hold arrangements
Accounting Policies [Line Items]
Total revenue, net	$ 0.0	$ 1,000,000
Minimum
Accounting Policies [Line Items]
Trade accounts receivable			30 days
Delivery and payment terms	30 days		30 days		30 days
Service contracts terms			1 year
Supplier finance program, payment timing, period	30 days		30 days		30 days
Maximum
Accounting Policies [Line Items]
Trade accounts receivable			45 days
Delivery and payment terms	45 days		45 days		45 days
Service contracts terms			3 years
Supplier finance program, payment timing, period	90 days		90 days		90 days
Maximum | 2022 Sales Agreement
Accounting Policies [Line Items]
Aggregate compensation payable percentage										0.03
Maximum | 2022 Sales Agreement | At Market Offering
Accounting Policies [Line Items]
Aggregate compensation payable percentage										0.03