Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Oct. 02, 2015	Sep. 30, 2016	Oct. 02, 2015
Income Statement [Abstract]
Revenue	$ 78,065	$ 93,055	$ 247,401	$ 285,276
Direct costs	64,193	75,587	203,072	234,902
Selling, general and administrative expenses	14,567	13,901	42,060	43,478
Goodwill impairment	15,785		37,329
Operating income (loss)	(16,480)	3,567	(35,060)	6,896
Interest and other income	140	27	165	72
Interest and other expense	63	51	247	148
Income (loss) before income taxes	(16,403)	3,543	(35,142)	6,820
Provision (benefit) for income taxes	(220)	1,472	639	2,928
Net income (loss)	$ (16,183)	$ 2,071	$ (35,781)	$ 3,892
Net income (loss) per share:
Basic	$ (1.03)	$ 0.13	$ (2.30)	$ 0.25
Diluted	$ (1.03)	$ 0.13	$ (2.30)	$ 0.24
Weighted average shares outstanding:
Basic	15,649	15,477	15,586	15,441
Diluted	15,649	15,864	15,586	15,904
Cash dividend per common share	$ 0.06	$ 0.06	$ 0.18	$ 0.18