Note 14 - Segment Information (Details) - Results of the Segments (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012
Segment Reporting Information [Line Items]
Revenue	$ 41,320	$ 34,839	$ 124,929	$ 108,798
Cost of services	30,636	25,164	92,362	79,182
Selling, general and administrative	8,599	8,153	26,361	24,766
Depreciation and amortization	279	415	829	953
Operating income (loss)	1,806	1,107	5,034	3,897
Total assets	89,956	88,742	89,956	88,742	84,548
Capital expenditures	226	139	1,071	250
Includes Facilities Consolidation Change [Member] | Information Technology [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	3,292		10,404
Includes Facilities Consolidation Change [Member] | Engineering [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	3,410		10,840
Includes Facilities Consolidation Change [Member] | Specialty Health Care [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	1,897		5,460
Includes Facilities Consolidation Change [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	8,599		26,704
Information Technology [Member]
Segment Reporting Information [Line Items]
Revenue	13,156	12,373	41,378	39,520
Cost of services	9,649	8,739	29,706	27,945
Selling, general and administrative		3,323		10,564
Depreciation and amortization	66	89	236	282
Operating income (loss)	149	222	1,032	729
Total assets	14,106	13,944	14,106	13,944
Capital expenditures		9	57	57
Engineering [Member]
Segment Reporting Information [Line Items]
Revenue	22,000	17,142	63,263	48,529
Cost of services	16,660	12,845	48,562	37,112
Selling, general and administrative		3,088		8,659
Depreciation and amortization	187	298	509	575
Operating income (loss)	1,743	911	3,352	2,183
Total assets	45,525	30,148	45,525	30,148
Capital expenditures	226	107	859	170
Specialty Health Care [Member]
Segment Reporting Information [Line Items]
Revenue	6,164	5,324	20,288	20,749
Cost of services	4,327	3,580	14,094	14,125
Selling, general and administrative		1,742		5,543
Depreciation and amortization	26	28	84	96
Operating income (loss)	(86)	(26)	650	985
Total assets	12,507	9,088	12,507	9,088
Capital expenditures			4
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Total assets	17,818	35,562	17,818	35,562
Capital expenditures		$ 23	$ 151	$ 23