Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) bank	Dec. 31, 2024 EUR (€) bank	Dec. 31, 2023 USD ($)	Aug. 26, 2022 USD ($)
Accounting Policies [Line Items]
Ownership percentage			50.00%
Number of reportable segments | segment			1
Number of operating segments | segment			1
Cash, cash equivalents, restricted cash, and restricted cash equivalents	$ 93,281,000	$ 162,303,000	$ 93,281,000	$ 162,303,000	$ 98,745,000		$ 167,630,000
Cash, FDIC insured amount	250,000		250,000
Number of bank guarantees | bank					2	2
Restricted cash	0		0		$ 29,000.0	€ 27,500
Number of customers | bank					2	2
Security warranty obligation, term					12 months	12 months
Changes in the allowance for credit losses	$ 0		$ 0
Upfront and payment terms (in days)			30 days
Product warranty obligation, term (in years)	1 year		1 year
Common stock, value, issued	$ 128,000		$ 128,000		$ 129,000
Advertising, marketing and media expenses	800,000	$ 800,000	3,200,000	$ 3,000,000.0
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
Minimum
Accounting Policies [Line Items]
Delivery and payment terms (in days)	30 days		30 days
Service contracts terms (in years)			1 year
Maximum
Accounting Policies [Line Items]
Delivery and payment terms (in days)	90 days		90 days
Service contracts terms (in years)			3 years
Maximum | 2022 Sales Agreement
Accounting Policies [Line Items]
Aggregate compensation payable (as percent)								0.03