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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Jan. 02, 2026 | Dec. 27, 2024 | Dec. 31, 2023 | Dec. 30, 2022 | Dec. 30, 2021
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table | In accordance with rules adopted by the SEC pursuant to Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, the Company provides the following disclosure regarding executive compensation for its principal executive officer (“PEO”) and Non-PEO NEOs and the Company performance for each of fiscal years 2025, 2024, 2023, 2022 and 2021. The 2025 Compensation Committee did not solely rely on this pay versus performance disclosure in making its pay decisions for any of the fiscal years shown.
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Value of Initial Fixed Investments based on:(4) |  |  |  |
Year (a) |  | Summary Compen- sation Table Total for PEO 1 ($)(1) (b) |  | Summary Compen- sation Table Total for PEO 2 ($)(1) (c) |  | Summary Compen- sation Table Total for PEO 3 ($)(1) (d) |  | Compen- sation Actually Paid to PEO 1 ($)(1)(2)(3) (e) |  | Compen- sation Actually Paid to PEO 2 ($)(1)(2)(3) (f) |  | Compen- sation Actually Paid to PEO 3 ($)(1)(2)(3) (g) |  | Average Summary Compen- sation Table for Non-PEO NEOs ($)(1) (h) |  | Average Compen- sation Actually Paid to Non-PEO NEOs ($)(1)(2)(3) (i) |  | TSR ($) (j) |  | Peer Group TSR ($) (k) |  | Net Income ($) (rounded to the nearest thousands) (l) |  | Revenue ($) (rounded to the nearest thousands)(5) (m)
2025 |  | — |  | 1,255,915 |  | 7,522,385 |  | — |  | 1,241,750 |  | 5,371,375 |  | 2,682,346 |  | 2,193,846 |  | 29.78 |  | 99.76 |  | (80,448) |  | 239,442
2024 |  | — |  | 7,821,216 |  | — |  | — |  | 2,747,432 |  | — |  | 2,562,044 |  | 1,214,377 |  | 30.55 |  | 95.30 |  | (20,208) |  | 313,901
2023 |  | — |  | 10,220,581 |  | — |  | — |  | 6,350,978 |  | — |  | 2,740,574 |  | 1,082,949 |  | 39.39 |  | 89.48 |  | 21,347 |  | 322,415
2022 |  | 6,501,953 |  | — |  | — |  | 1,027,645 |  | — |  | — |  | 2,053,028 |  | 1,162,152 |  | 61.26 |  | 89.02 |  | 39,665 |  | 284,391
2021 |  | 5,468,270 |  | — |  | — |  | 11,586,083 |  | — |  | — |  | 1,903,519 |  | 2,345,191 |  | 115.25 |  | 111.35 |  | 27,511 |  | 230,472
(1) Stephen C. Farrell was the Company’s PEO for fiscal year 2025 (“PEO 3”), Thomas G. Frinzi was the Company’s PEO for fiscal years 2023 - 2025 (“PEO 2”) and Caren Mason was the Company’s PEO for fiscal years 2021 - 2022 (“PEO 1”). The individuals comprising the Non-PEO NEOs for each year presented are listed below:
2021 |  | 2022 |  | 2023 |  | 2024 |  | 2025
Patrick F. Williams |  | Patrick F. Williams |  | Patrick F. Williams |  | Patrick F. Williams |  | Patrick F. Williams
Scott Barnes |  | Scott Barnes |  | Scott Barnes |  | Warren Foust |  | Warren Foust
Keith Holliday |  | Keith Holliday |  | Keith Holliday |  | Magda Michna |  | Magda Michna
Hans Blickensdoerfer |  | James Francese |  | Warren Foust |  | Nathaniel Sisitsky |  | Nathaniel Sisitsky
|  |  |  |  |  |  |  | Deborah Andrews
(2) The amounts shown for Compensation Actually Paid (“CAP”) have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized or received by the Company’s NEOs. These amounts reflect the Summary Compensation Table Total with certain adjustments as described in footnote (3) below. (3) CAP reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718, and the valuation assumptions used to calculate fair value did not material differ from those disclosed at the time of grant. Amounts in the Exclusion of Stock Awards and Option Awards column are based on the amounts reported in the Stock Awards and Option Awards columns set forth in the Summary Compensation Table.
Year |  | Summary Compensation Table Total for PEO 2 ($) |  |  | Exclusion of Stock Awards and Option Awards for PEO 2 ($) |  |  | Inclusion of Equity Values for PEO 2 ($) |  |  | Compensation Actually Paid to PEO 2 ($) |
2025 |  |  | 1,255,915 |  |  |  | — |  |  |  | (14,165 | ) |  |  | 1,241,750 |
Year |  | Summary Compensation Table Total for PEO 3 ($) |  |  | Exclusion of Stock Awards and Option Awards for PEO 3 ($) |  |  | Inclusion of Equity Values for PEO 3 ($) |  |  | Compensation Actually Paid to PEO 3 ($) |
2025 |  |  | 7,522,385 |  |  |  | (6,836,000 | ) |  |  | 4,684,990 |  |  |  | 5,371,375 |
Year |  | Average Summary Compensation Table Total for Non-PEO NEOs ($) |  |  |  | Average Exclusion of Stock Awards and Option Awards for Non-PEO NEOs ($) |  |  |  | Average Inclusion of Equity Values for Non-PEO NEOs ($) |  |  | Average Compensation Actually Paid to Non-PEO NEOs ($) |
2025 |  |  | 2,682,346 |  |  |  |  | (1,600,021 | ) |  |  |  | 1,111,521 |  |  |  | 2,193,846 |
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
Year |  | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for PEO 2 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for PEO 2 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for PEO 2 ($) |  |  | Total - Inclusion of Equity Values for PEO 2 ($) |
2025 |  |  | — |  |  |  | (91,575 | ) |  |  | 77,410 |  |  |  | (14,165 | )
Year |  | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for PEO 3 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for PEO 3 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for PEO 3 ($) |  |  | Total - Inclusion of Equity Values for PEO 3 ($) |
2025 |  |  | 4,720,000 |  |  |  | — |  |  |  | (35,010 | ) |  |  | 4,684,990 |
Year |  | Average Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) |  |  | Average Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) |  |  | Average Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) |  |  | Total - Average Inclusion of Equity Values for Non-PEO NEOs ($) |
2025 |  |  | 1,111,173 |  |  |  | (24,750 | ) |  |  | 25,098 |  |  |  | 1,111,521 |
(4) The Peer Group Total Shareholder Return (”TSR”) set forth in this table utilizes the S&P 400 Health Care Index, which the Company also utilizes in the stock performance graph required by Item 201(e) of Regulation S-K included in the Company’s Annual Report for the year ended January 2, 2026. The comparison assumes $100 was invested for the period starting January 1, 2021 through the end of the listed year in the Company and in the S&P 400 Health Care Index, respectively. Historical stock performance is not necessarily indicative of future stock performance. (5) The Company determined U.S. GAAP Revenue to be the most important financial performance measure used to link Company performance to CAP to its PEO and Non-PEOs in 2025. This performance measure may not have been the most important financial performance measure for fiscal years 2024, 2023, 2022 and 2021 and the Company may determine a different financial performance measure to be the most important financial performance measure in future years. |  |  |  |
Company Selected Measure Name | Revenue |  |  |  |
Named Executive Officers, Footnote | Thomas G. Frinzi was the Company’s PEO for fiscal years 2023 - 2025 (“PEO 2”) and Caren Mason was the Company’s PEO for fiscal years 2021 - 2022 (“PEO 1”). The individuals comprising the Non-PEO NEOs for each year presented are listed below:
2021 |  | 2022 |  | 2023 |  | 2024 |  | 2025
Patrick F. Williams |  | Patrick F. Williams |  | Patrick F. Williams |  | Patrick F. Williams |  | Patrick F. Williams
Scott Barnes |  | Scott Barnes |  | Scott Barnes |  | Warren Foust |  | Warren Foust
Keith Holliday |  | Keith Holliday |  | Keith Holliday |  | Magda Michna |  | Magda Michna
Hans Blickensdoerfer |  | James Francese |  | Warren Foust |  | Nathaniel Sisitsky |  | Nathaniel Sisitsky
|  |  |  |  |  |  |  | Deborah Andrews
Peer Group Issuers, Footnote | (4) The Peer Group Total Shareholder Return (”TSR”) set forth in this table utilizes the S&P 400 Health Care Index, which the Company also utilizes in the stock performance graph required by Item 201(e) of Regulation S-K included in the Company’s Annual Report for the year ended January 2, 2026. The comparison assumes $100 was invested for the period starting January 1, 2021 through the end of the listed year in the Company and in the S&P 400 Health Care Index, respectively. Historical stock performance is not necessarily indicative of future stock performance. |  |  |  |
Adjustment To PEO Compensation, Footnote | reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718, and the valuation assumptions used to calculate fair value did not material differ from those disclosed at the time of grant. Amounts in the Exclusion of Stock Awards and Option Awards column are based on the amounts reported in the Stock Awards and Option Awards columns set forth in the Summary Compensation Table.
Year |  | Summary Compensation Table Total for PEO 2 ($) |  |  | Exclusion of Stock Awards and Option Awards for PEO 2 ($) |  |  | Inclusion of Equity Values for PEO 2 ($) |  |  | Compensation Actually Paid to PEO 2 ($) |
2025 |  |  | 1,255,915 |  |  |  | — |  |  |  | (14,165 | ) |  |  | 1,241,750 |
Year |  | Summary Compensation Table Total for PEO 3 ($) |  |  | Exclusion of Stock Awards and Option Awards for PEO 3 ($) |  |  | Inclusion of Equity Values for PEO 3 ($) |  |  | Compensation Actually Paid to PEO 3 ($) |
2025 |  |  | 7,522,385 |  |  |  | (6,836,000 | ) |  |  | 4,684,990 |  |  |  | 5,371,375 |
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
Year |  | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for PEO 2 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for PEO 2 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for PEO 2 ($) |  |  | Total - Inclusion of Equity Values for PEO 2 ($) |
2025 |  |  | — |  |  |  | (91,575 | ) |  |  | 77,410 |  |  |  | (14,165 | )
Year |  | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for PEO 3 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for PEO 3 ($) |  |  | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for PEO 3 ($) |  |  | Total - Inclusion of Equity Values for PEO 3 ($) |
2025 |  |  | 4,720,000 |  |  |  | — |  |  |  | (35,010 | ) |  |  | 4,684,990 |
Non-PEO NEO Average Total Compensation Amount | $ 2,682,346 | $ 2,562,044 | $ 2,740,574 | $ 2,053,028 | $ 1,903,519
Non-PEO NEO Average Compensation Actually Paid Amount | $ 2,193,846 | 1,214,377 | 1,082,949 | 1,162,152 | 2,345,191
Adjustment to Non-PEO NEO Compensation Footnote | reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718, and the valuation assumptions used to calculate fair value did not material differ from those disclosed at the time of grant. Amounts in the Exclusion of Stock Awards and Option Awards column are based on the amounts reported in the Stock Awards and Option Awards columns set forth in the Summary Compensation Table.
Year |  | Average Summary Compensation Table Total for Non-PEO NEOs ($) |  |  |  | Average Exclusion of Stock Awards and Option Awards for Non-PEO NEOs ($) |  |  |  | Average Inclusion of Equity Values for Non-PEO NEOs ($) |  |  | Average Compensation Actually Paid to Non-PEO NEOs ($) |
2025 |  |  | 2,682,346 |  |  |  |  | (1,600,021 | ) |  |  |  | 1,111,521 |  |  |  | 2,193,846 |
Year |  | Average Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) |  |  | Average Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) |  |  | Average Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) |  |  | Total - Average Inclusion of Equity Values for Non-PEO NEOs ($) |
2025 |  |  | 1,111,173 |  |  |  | (24,750 | ) |  |  | 25,098 |  |  |  | 1,111,521 |
Compensation Actually Paid vs. Total Shareholder Return | The following chart sets forth the relationship between Compensation Actually Paid to the Company’s PEO, the average of Compensation Actually Paid to the Company’s Non-PEO NEOs, and the cumulative TSR of the Company and S&P 400 Health Care Index over the five most recently completed fiscal years: |  |  |  |
Compensation Actually Paid vs. Net Income | The following chart sets forth the relationship between Compensation Actually Paid to the Company’s PEO, the average of Compensation Actually Paid to the Company’s Non-PEO NEOs, and the Company’s net income over the five most recently completed fiscal years: |  |  |  |
Compensation Actually Paid vs. Company Selected Measure | The following chart sets forth the relationship between Compensation Actually Paid to the Company’s PEO, the average of Compensation Actually Paid to the Company’s Non-PEO NEOs, and the Company’s revenue over the five most recently completed fiscal years: |  |  |  |
Tabular List, Table | The following table presents the financial performance measures that the Company considers to have been the most important in linking Compensation Actually paid to the Company’s PEO and Non-PEO NEOs for 2025 to Company performance. The measures in this table are not ranked.
U.S. GAAP Revenue
Selling, General and Administrative
Gross Margin
Total Shareholder Return Amount | $ 29.78 | 30.55 | 39.39 | 61.26 | 115.25
Peer Group Total Shareholder Return Amount | 99.76 | 95.3 | 89.48 | 89.02 | 111.35
Net Income (Loss) | $ (80,448,000) | $ (20,208,000) | $ 21,347,000 | $ 39,665,000 | $ 27,511,000
Company Selected Measure Amount | 239,442,000 | 313,901,000 | 322,415,000 | 284,391,000 | 230,472,000
Additional 402(v) Disclosure | The amounts shown for Compensation Actually Paid (“CAP”) have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized or received by the Company’s NEOs. These amounts reflect the Summary Compensation Table Total with certain adjustments as described in footnote (3) below |  |  |  |
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | U.S. GAAP Revenue |  |  |  |
Non-GAAP Measure Description | The Company determined U.S. GAAP Revenue to be the most important financial performance measure used to link Company performance to CAP to its PEO and Non-PEOs in 2025. This performance measure may not have been the most important financial performance measure for fiscal years 2024, 2023, 2022 and 2021 and the Company may determine a different financial performance measure to be the most important financial performance measure in future years |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Selling, General and Administrative |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Gross Margin |  |  |  |
Caren Mason |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount |  |  |  | $ 6,501,953 | $ 5,468,270
PEO Actually Paid Compensation Amount |  |  |  | $ 1,027,645 | $ 11,586,083
PEO Name |  |  |  | Caren Mason | Caren Mason
Thomas G. Frinzi |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount | $ 1,255,915 | $ 7,821,216 | $ 10,220,581 |  |
PEO Actually Paid Compensation Amount | $ 1,241,750 | $ 2,747,432 | $ 6,350,978 |  |
PEO Name | Thomas G. Frinzi | Thomas G. Frinzi | Thomas G. Frinzi |  |
Stephen C. Farrell |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount | $ 7,522,385 |  |  |  |
PEO Actually Paid Compensation Amount | $ 5,371,375 |  |  |  |
PEO Name | Stephen C. Farrell |  |  |  |
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ (14,165) |  |  |  |
PEO | Thomas G. Frinzi | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (91,575) |  |  |  |
PEO | Thomas G. Frinzi | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 77,410 |  |  |  |
PEO | Stephen C. Farrell |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 4,684,990 |  |  |  |
PEO | Stephen C. Farrell | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 4,684,990 |  |  |  |
PEO | Stephen C. Farrell | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (6,836,000) |  |  |  |
PEO | Stephen C. Farrell | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 4,720,000 |  |  |  |
PEO | Stephen C. Farrell | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (35,010) |  |  |  |
Non-PEO NEO |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,111,521 |  |  |  |
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,111,521 |  |  |  |
Non-PEO NEO | Equity Awards Adjustments, Excluding Value Reported in Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (1,600,021) |  |  |  |
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,111,173 |  |  |  |
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (24,750) |  |  |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 25,098 |  |  |  |

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