Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Income Statement [Abstract]
Revenue	$ 75,002	$ 90,603	$ 247,178	$ 279,896
Cost of services	56,773	70,313	188,604	218,460
Gross profit	18,229	20,290	58,574	61,436
Selling, general and administrative expenses	15,976	17,588	49,949	53,835
Operating income	2,253	2,702	8,625	7,601
Interest and other income	133	137	323	331
Interest and other expense	525	679	1,357	1,279
Income before income taxes	1,861	2,160	7,591	6,653
Provision for income taxes	759	488	2,209	1,640
Net income	$ 1,102	$ 1,672	$ 5,382	$ 5,013
Net income per share:
Basic	$ 0.08	$ 0.12	$ 0.37	$ 0.36
Diluted	$ 0.07	$ 0.11	$ 0.36	$ 0.34
Weighted average shares outstanding:
Basic	14,480	14,011	14,366	13,850
Diluted	15,157	14,939	15,086	14,951