Note 14 - Results of the Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Engineering [Member]
Revenue	$ 19,224	$ 24,835	$ 61,843	$ 75,615
Cost of services	14,325	18,239	46,989	57,695
Gross profit	4,899	6,596	14,854	17,920
Selling, general and administrative	3,784	4,096	11,893	11,939
Depreciation and amortization	301	248	794	642
Operating income	814	2,252	2,167	5,340
Assets	39,985	49,169	39,985	49,169
Capital expenditures	263	587	1,036	1,120
Information Technology [Member]
Revenue	15,171	14,405	44,684	44,076
Cost of services	10,477	9,941	30,904	30,734
Gross profit	4,694	4,464	13,780	13,342
Selling, general and administrative	3,653	3,560	11,291	10,768
Depreciation and amortization	78	61	172	166
Operating income	963	843	2,317	2,410
Assets	$ 15,278	$ 15,253	$ 15,278	$ 15,253
Capital expenditures
Specialty Health Care [Member]
Revenue	$ 10,682	$ 7,142	$ 31,802	$ 24,769
Cost of services	7,473	5,041	22,241	17,658
Gross profit	3,209	2,101	9,561	7,111
Selling, general and administrative	3,025	2,335	8,456	6,885
Depreciation and amortization	55	28	118	77
Operating income	129	(262)	987	146
Assets	17,021	16,529	17,021	16,529
Capital expenditures	$ 54	$ 9	$ 54	$ 92
Corporate Segment [Member]
Revenue
Cost of services
Gross profit
Selling, general and administrative
Depreciation and amortization
Operating income
Assets	$ 9,390	$ 13,389	$ 9,390	$ 13,389
Capital expenditures	1,240	7	1,461	740
Revenue	45,077	46,382	138,329	144,460
Cost of services	32,275	33,221	100,134	106,087
Gross profit	12,802	13,161	38,195	38,373
Selling, general and administrative	10,462	9,991	31,640	29,592
Depreciation and amortization	434	337	1,084	885
Operating income	1,906	2,833	5,471	7,896
Assets	81,674	94,340	81,674	94,340
Capital expenditures	$ 1,557	$ 603	$ 2,551	$ 1,952