Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Revenues	$ 46,341	$ 47,176
Cost of services	34,589	34,500
Gross profit	11,752	12,676
Selling, general and administrative	10,317	10,465
Depreciation and amortization	397	390
Operating income (loss)	1,038	1,821
Total assets	65,800	76,242	$ 69,831
Capital expenditures	92	394
Engineering [Member]
Revenues	19,224	18,685
Cost of services	14,185	13,853
Gross profit	5,039	4,832
Selling, general and administrative	4,037	3,820
Depreciation and amortization	285	276
Operating income (loss)	717	736
Total assets	32,014	37,105
Capital expenditures	69	281
Information Technology [Member]
Revenues	8,610	12,740
Cost of services	6,457	8,947
Gross profit	2,153	3,793
Selling, general and administrative	2,353	3,137
Depreciation and amortization	40	52
Operating income (loss)	(240)	604
Total assets	11,903	13,985
Capital expenditures		24
Specialty Health Care [Member]
Revenues	18,507	15,751
Cost of services	13,947	11,700
Gross profit	4,560	4,051
Selling, general and administrative	3,927	3,508
Depreciation and amortization	72	62
Operating income (loss)	561	481
Total assets	17,867	20,545
Capital expenditures		75
Corporate Segment [Member]
Revenues
Cost of services
Gross profit
Selling, general and administrative
Depreciation and amortization
Operating income (loss)
Total assets	4,016	4,607
Capital expenditures	$ 23	$ 14