Note 14 - Segment Information (Details) - Results of the Segments (USD $) In Thousands, unless otherwise specified	3 Months Ended									12 Months Ended
	Dec. 28, 2013		Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012
Segment Reporting Information [Line Items]
Revenue	$ 45,849	[1]	$ 41,320	$ 42,379	$ 41,230	$ 37,019	$ 34,839	$ 35,753	$ 38,206	$ 170,778	$ 145,817
Cost of services										126,417	106,102
Selling, general and administrative										35,514	33,166
Depreciation and amortization										1,111	1,321
Operating income (loss)	(2,479)	[1]	1,806	1,714	1,514	1,330	1,107	1,015	1,776	2,555	5,228
Total assets	86,524					84,548				86,524	84,548
Capital expenditures										1,406	511
Engineering [Member] | Fair Value, Measurements, Nonrecurring [Member]
Segment Reporting Information [Line Items]
Non-recurring charges										342
Engineering [Member]
Segment Reporting Information [Line Items]
Revenue										86,742	66,631
Cost of services										67,005	50,733
Selling, general and administrative										14,357	12,124
Depreciation and amortization										702	720
Operating income (loss)										4,336	3,054
Total assets	42,951					39,441				42,951	39,441
Capital expenditures										1,142	340
Information Technology [Member] | Fair Value, Measurements, Nonrecurring [Member]
Segment Reporting Information [Line Items]
Non-recurring charges										142
Information Technology [Member]
Segment Reporting Information [Line Items]
Revenue										55,263	52,165
Cost of services										39,412	36,931
Selling, general and administrative										13,540	13,703
Depreciation and amortization										300	477
Operating income (loss)										1,869	1,054
Total assets	14,472					15,494				14,472	15,494
Capital expenditures										78	59
Specialty Health Care [Member]
Segment Reporting Information [Line Items]
Revenue										28,773	27,021
Cost of services										20,000	18,438
Selling, general and administrative										7,617	7,339
Depreciation and amortization										109	124
Operating income (loss)										1,047	1,120
Total assets	14,334					10,419				14,334	10,419
Capital expenditures										35	8
Corporate Segment [Member] | Fair Value, Measurements, Nonrecurring [Member]
Segment Reporting Information [Line Items]
Non-recurring charges										4,697
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Operating income (loss)										(4,697)
Total assets	14,767					19,194				14,767	19,194
Capital expenditures										151	104
Fair Value, Measurements, Nonrecurring [Member]
Segment Reporting Information [Line Items]
Non-recurring charges										$ 5,181

[1] Includes severance and other charges of $4.8 million (see note 21).