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v3.22.2.2

Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 02, 2022 USD ($) Customer | Jul. 03, 2021 Customer | Jul. 02, 2022 USD ($) Customer | Jul. 03, 2021 USD ($) Customer | Jan. 01, 2022 Customer
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Service contract warranty period |  |  | 1 year |  |
Service contract, period to determine nature of sale |  |  | 60 days |  |
Arrangement fee |  |  | $ 200 |  |
Fair value of distribution right |  |  | 14,800 |  |
Amortization costs | $ 21 |  | 21 |  |
Deferred revenue recognized |  |  | 700 | $ 700 |
Non-current portion of deferred revenue pertains to exclusivity fee deferred revenue | 11,900 |  | 11,900 |  |
Current portion of deferred revenue pertains to exclusivity fee deferred revenue | 1,500 |  | $ 1,500 |  |
Products warranty period |  |  | 2 years |  |
Prepaid Expenses and Other Current Assets and Other Long Term Assets |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Deferred costs, incurred | $ 600 |  | $ 600 |  |
Revenue, Total | Topcon [Member] | Customer Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers | Customer | 1 | 1 | 1 | 1 |
Accounts Receivable | Topcon [Member] | Customer Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers | Customer |  |  | 1 |  |
Percentage of accounts receivable accounted |  |  | 26.00% |  |
Accounts Receivable | Topcon [Member] | Customer Concentration Risk | One Customer |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Percentage of accounts receivable accounted |  |  |  |  | 31.00%
Accounts Receivable | Topcon [Member] | Customer Concentration Risk | One Customer | Minimum |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases |  |  | 10.00% |  | 10.00%
Accounts Receivable | Topcon [Member] | Customer Concentration Risk | Customer Two |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Percentage of accounts receivable accounted |  |  |  |  | 11.00%
Accounts Receivable | Topcon [Member] | Credit Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers | Customer |  |  |  |  | 2
Revenue, Total | Customer Concentration Risk | No Customer | Minimum |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases |  | 10.00% |  | 10.00% |
Revenue, Total | Topcon [Member] | Customer Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Percentage of accounts receivable accounted | 26.00% | 15.00% | 28.00% | 12.00% |
Revenue, Total | Topcon [Member] | Customer Concentration Risk | One Customer | Minimum |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases | 10.00% |  | 10.00% |  |
Distribution Rights [Member] |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Revenue Recognized | $ 300 |  | $ 600 |  |
Royalty Agreements |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers | Customer |  |  | 4 |  |

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