Note 14 - Segment Information (Details) - Results of the Segments (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013		Jun. 28, 2014	Jun. 29, 2013		Dec. 28, 2013
Segment Reporting Information [Line Items]
Revenue	$ 49,509	$ 42,379	[1]	$ 98,078	$ 83,609	[1]
Cost of services	36,554	31,117	[1]	72,866	61,726	[1]
Selling, general and administrative	9,653	8,974	[1]	19,497	17,667	[1]
Severance and other charges		293	[1]	104	438	[1]
Depreciation and amortization	277	281	[1]	548	550	[1]
Operating income	3,025	1,714	[1]	5,063	3,228	[1]
Total assets	94,650	84,471	[1]	94,650	84,471	[1]	86,524
Capital expenditures	907	532	[1]	1,349	845	[1]
Engineering [Member]
Segment Reporting Information [Line Items]
Revenue	26,056	20,953	[1]	50,780	41,263	[1]
Cost of services	19,967	16,107	[1]	39,455	31,907	[1]
Selling, general and administrative	3,884	3,729	[1]	7,789	7,207	[1]
Severance and other charges		260	[1]		342	[1]
Depreciation and amortization	202	167	[1]	394	322	[1]
Operating income	2,003	690	[1]	3,142	1,485	[1]
Total assets	44,497	39,958	[1]	44,497	39,958	[1]
Capital expenditures	183	360	[1]	533	633	[1]
Information Technology [Member]
Segment Reporting Information [Line Items]
Revenue	14,651	14,228	[1]	29,670	28,222	[1]
Cost of services	10,312	10,072	[1]	20,792	20,054	[1]
Selling, general and administrative	3,522	3,507	[1]	7,177	6,968	[1]
Severance and other charges			[1]			[1]
Depreciation and amortization	48	85	[1]	105	170	[1]
Operating income	769	564	[1]	1,596	1,030	[1]
Total assets	14,534	14,727	[1]	14,534	14,727	[1]
Capital expenditures		37	[1]		56	[1]
Specialty Health Care [Member]
Segment Reporting Information [Line Items]
Revenue	8,802	7,198	[1]	17,628	14,124	[1]
Cost of services	6,275	4,938	[1]	12,619	9,765	[1]
Selling, general and administrative	2,247	1,738	[1]	4,531	3,492	[1]
Severance and other charges			[1]			[1]
Depreciation and amortization	27	29	[1]	49	58	[1]
Operating income	253	493	[1]	429	809	[1]
Total assets	16,880	12,291	[1]	16,880	12,291	[1]
Capital expenditures			[1]	83	4	[1]
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenue			[1]			[1]
Cost of services			[1]			[1]
Selling, general and administrative			[1]			[1]
Severance and other charges		33	[1]	104	96	[1]
Depreciation and amortization			[1]			[1]
Operating income		(33)	[1]	(104)	(96)	[1]
Total assets	18,739	17,495	[1]	18,739	17,495	[1]
Capital expenditures	$ 724	$ 135	[1]	$ 733	$ 152	[1]

[1] Certain prior year amounts have been reclassified to conform to fiscal 2014 presentation. These changes had no impact on previously reported results of operations or shareholder's equity.