Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Income Statement [Abstract]
Revenue	$ 82,759	$ 92,164	$ 172,176	$ 189,293
Cost of services	63,009	71,785	131,831	148,147
Gross profit	19,750	20,379	40,345	41,146
Selling, general and administrative expenses	16,577	17,578	33,973	36,247
Operating income	3,173	2,801	6,372	4,899
Interest and other income	99	110	190	194
Interest and other expense	484	366	832	600
Income before income taxes	2,788	2,545	5,730	4,493
Provision for income taxes	748	712	1,450	1,152
Net income	$ 2,040	$ 1,833	$ 4,280	$ 3,341
Net income per share:
Basic	$ 0.14	$ 0.13	$ 0.30	$ 0.24
Diluted	$ 0.13	$ 0.12	$ 0.28	$ 0.22
Weighted average shares outstanding:
Basic	14,419	13,845	14,309	13,770
Diluted	15,122	14,972	15,050	14,958