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Related Party - Topcon - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2024 | Dec. 30, 2023
Related Party Transaction [Line Items] |  |
Total revenues | $ 48,669 | $ 51,869
Receivable from related party | 5,951 | 6,727
Payable to related party | $ 6,985 | 4,499
Topcon [Member] |  |
Related Party Transaction [Line Items] |  |
Ownership percentage | 9.90% |
Topcon America Corporation [Member] |  |
Related Party Transaction [Line Items] |  |
Total revenues | $ 16,300 | 14,300
Purchases from related party | 1,000 | 300
Topcon America Corporation [Member] | Related Party [Member] |  |
Related Party Transaction [Line Items] |  |
Receivable from related party | 2,500 | 2,900
Payable to related party | 600 | 200
Distribution Rights [Member] |  |
Related Party Transaction [Line Items] |  |
Revenue Recognized | 1,500 | 1,500
Distribution Rights [Member] | Topcon America Corporation [Member] |  |
Related Party Transaction [Line Items] |  |
Revenue Recognized | $ 1,500 | $ 1,500

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