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Note 7 - Goodwill - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2023 | Dec. 31, 2022 | Jan. 01, 2022
Balance | $ 22,147 | $ 16,354 | $ 16,354
No change | 0 |  | 0
Acquisition of TalentHerder |  | 5,793 |
Balance | 22,147 | 22,147 | 16,354
Engineering [Member] |  |  |
Balance | 11,918 | 11,918 | 11,918
No change | 0 |  | 0
Acquisition of TalentHerder |  | 0 |
Balance | 11,918 | 11,918 | 11,918
Specialty Health Care [Member] |  |  |
Balance | 2,398 | 2,398 | 2,398
No change | 0 |  | 0
Acquisition of TalentHerder |  | 0 |
Balance | 2,398 | 2,398 | 2,398
Information Technology [Member] |  |  |
Balance | 7,831 | 2,038 | 2,038
No change | 0 |  | 0
Acquisition of TalentHerder |  | 5,793 |
Balance | $ 7,831 | $ 7,831 | $ 2,038

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