Related Party - Topcon - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022	Dec. 31, 2022
Related Party Transaction [Line Items]
Total revenues	$ 12,850	$ 14,635	$ 39,411	$ 41,777
Receivable from related party	6,109		6,109		$ 6,229	[1],[2]
Payable to related party	$ 2,610		$ 2,610		3,858	[1]
Topcon [Member]
Related Party Transaction [Line Items]
Ownership percentage	10.00%		10.00%
Topcon America Corporation [Member]
Related Party Transaction [Line Items]
Total revenues	$ 4,300	4,500	$ 11,200	12,100
Purchases from related party	45		210
Topcon America Corporation [Member] | Related Party [Member]
Related Party Transaction [Line Items]
Receivable from related party	2,000		2,000		3,500
Payable to related party	100		100		$ 15
Distribution Rights [Member]
Related Party Transaction [Line Items]
Revenue Recognized	400	400	1,100	1,000
Distribution Rights [Member] | Topcon America Corporation [Member]
Related Party Transaction [Line Items]
Revenue Recognized	$ 400	$ 400	$ 1,100	$ 1,000

[1] Derived from the audited consolidated financial statements included in the Annual Report on Form 10-K filed with the SEC for the year ended December 31, 2022.

[2] Prior to our adoption of Accounting Standard Update 2016-13, “Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” on January 1, 2023, the provision for credit losses related to accounts receivable was not applicable and is therefore presented as $0 at December 31, 2022. See Note 3 for additional details.