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Significant Transactions - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 10, 2021 | Mar. 02, 2021 | Jan. 01, 2022 | Jan. 02, 2021
Business Acquisition [Line Items] |  |  |  |
Common stock, shares issued |  |  | 15,876,171 | 13,899,683
Common stock, par value |  |  | $ 0.01 | $ 0.01
Proceeds from issuance of common stock, net of issuance costs |  |  | $ 9,878 |
Developed Technology [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated, economic useful life |  |  | 7 years |
Customer Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated, economic useful life |  |  | 15 years | 15 years
Topcon |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Common stock, shares issued |  | 1,618,122 |  |
Common stock, par value |  | $ 6.18 |  |
Proceeds from issuance of common stock, net of issuance costs | $ 17,500 | $ 19,500 |  |
Proceeds Of Common Stock Issuance To Be Received | 2,000 |  |  |
TMLS |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition of a business and the purchase price | $ 5,300 |  |  |
TMLS | Developed Technology [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated, economic useful life | 7 years |  |  |
TMLS | Trademarks and Trade Names [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated, economic useful life | 9 years |  |  |
TMLS | Customer Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Estimated, economic useful life | 7 years |  |  |

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