Note 6 - Acquisitions - Preliminary Estimated Purchase Price Allocation (Details) - USD ($) $ in Thousands		Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Goodwill		$ 22,147	$ 22,147	$ 16,354	$ 16,354
TalentHerder LLC [Member]
Property and equipment, net		5
Goodwill	[1]	5,793
Total consideration		6,708
TalentHerder LLC [Member] | Customer Relationships [Member]
Customer relationships		$ 910

[1] The goodwill is expected to be fully deductible for tax purposes, except for the portion of contingent consideration which is deductible only when paid.