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Note 1 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2026	Dec. 28, 2024
Revenue	$ 319,404	$ 278,380
Health Care [Member]
Revenue	164,104	142,679
Health Care [Member] | Time-and-Materials Contract [Member]
Revenue	162,602	141,185
Health Care [Member] | Permanent Placement Services [Member]
Revenue	1,502	1,494
Engineering Services [Member]
Revenue	120,486	96,459
Engineering Services [Member] | Time-and-Materials Contract [Member]
Revenue	58,743	47,157
Engineering Services [Member] | Permanent Placement Services [Member]
Revenue	0	0
Engineering Services [Member] | Fixed-Price Contract [Member]
Revenue	61,743	49,302
Technology Service [Member]
Revenue	34,814	39,242
Technology Service [Member] | Time-and-Materials Contract [Member]
Revenue	23,172	30,547
Technology Service [Member] | Permanent Placement Services [Member]
Revenue	192	243
Technology Service [Member] | Fixed-Price Contract [Member]
Revenue	$ 11,450	$ 8,452

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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