Note 14 - Segment Information (Details) - Results of the segments (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 29, 2012
Segment Reporting Information [Line Items]
Revenue	$ 42,379	$ 35,753	$ 83,609	$ 73,959
Cost of services	31,117	26,097	61,726	54,018
Selling, general and administrative	9,007	8,382	17,762	16,613
Depreciation and amortization	281	259	550	537
Operating income (loss)	1,714	1,015	3,228	2,791
Total assets	84,471	89,375	84,471	89,375	84,548
Capital expenditures	532	38	845	111
Includes Facilities Consolidation Change [Member] | Information Technology [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	3,725		7,297
Includes Facilities Consolidation Change [Member] | Engineering [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	3,681		7,132
Includes Facilities Consolidation Change [Member] | Specialty Health Care [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	1,861		3,676
Includes Facilities Consolidation Change [Member]
Segment Reporting Information [Line Items]
Selling, general and administrative	9,267		18,105
Information Technology [Member]
Segment Reporting Information [Line Items]
Revenue	14,228	13,392	28,222	27,147
Cost of services	10,072	9,417	20,055	19,205
Selling, general and administrative		3,692		7,240
Depreciation and amortization	85	93	170	193
Operating income (loss)	346	190	700	509
Total assets	14,727	15,945	14,727	15,945
Capital expenditures	37	2	56	48
Engineering [Member]
Segment Reporting Information [Line Items]
Revenue	20,953	14,761	41,263	31,387
Cost of services	16,107	11,497	31,906	24,272
Selling, general and administrative		2,792		5,579
Depreciation and amortization	167	132	322	276
Operating income (loss)	998	340	1,903	1,260
Total assets	39,958	27,652	39,958	27,652
Capital expenditures	360	36	633	63
Specialty Health Care [Member]
Segment Reporting Information [Line Items]
Revenue	7,198	7,600	14,124	15,425
Cost of services	4,938	5,183	9,765	10,541
Selling, general and administrative		1,898		3,794
Depreciation and amortization	29	34	58	68
Operating income (loss)	370	485	625	1,022
Total assets	12,291	10,456	12,291	10,456
Capital expenditures			4
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Total assets	17,495	35,322	17,495	35,322
Capital expenditures	$ 135		$ 152