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Summary of Significant Accounting Policies - Additional Information (Details) | 3 Months Ended | 12 Months Ended
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Apr. 02, 2022 USD ($) Customer | Apr. 03, 2021 USD ($) 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 |  |
Fair value of distribution right | $ 14,800,000 |  |
Arrangement fee | 200,000 |  |
Amortization costs | 0 |  |
Deferred revenue recognized | 400,000 | $ 400,000 |
Non-current portion of deferred revenue pertains to exclusivity fee deferred revenue | 12,300,000 |  |
Current portion of deferred revenue pertains to exclusivity fee deferred revenue | $ 1,500,000 |  |
Products warranty period | 2 years |  |
Revenue, Total | Customer Concentration Risk |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of customers | Customer |  | 0 |
Revenue, Total | Topcon | Customer Concentration Risk |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of customers | Customer | 1 |  |
Accounts Receivable | Topcon | Customer Concentration Risk |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of accounts receivable accounted | 33.00% |  |
Accounts Receivable | Topcon | Customer Concentration Risk | One Customer |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of accounts receivable accounted |  |  | 31.00%
Accounts Receivable | Topcon | 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 | Customer Concentration Risk | Customer Two |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of accounts receivable accounted |  |  | 11.00%
Accounts Receivable | Topcon | Credit Concentration Risk |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of customers | Customer | 1 |  | 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% |
Revenue, Total | Topcon | Customer Concentration Risk |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Percentage of accounts receivable accounted | 30.00% |  |
Revenue, Total | Topcon | 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% |  |
Prepaid Expenses and Other Current Assets and Other Long Term Assets |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Deferred costs, incurred | $ 300,000 |  |
Distribution Rights [Member] |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Revenue Recognized | $ 300,000 |  |
Royalty Agreements |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of customers | Customer | 3 |  |

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