Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 29, 2019	Mar. 30, 2018
Income Statement [Abstract]
Revenue	$ 97,238	$ 82,713
Direct costs	79,522	66,874
Selling, general and administrative expenses	16,589	15,256
Operating income	1,127	583
Interest and other income	74	152
Interest and other expense	254	206
Income before income taxes	947	529
Provision for income taxes	315	115
Net income	$ 632	$ 414
Net income per share:
Basic	$ 0.05	$ 0.03
Diluted	$ 0.05	$ 0.03
Weighted average shares outstanding:
Basic	13,379	14,687
Diluted	13,782	15,298