Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Revenues	$ 186,737	$ 176,448
Cost of services	138,350	129,418
Gross profit	48,387	47,030
Selling, general and administrative	40,385	40,063
Legal, office closures and other charges	1,447	1,283
Tax credit professional fees	259	0
Change in contingent consideration	781	285
Goodwill impairment	3,478	0
Depreciation and amortization	1,757	1,569
Operating income (loss)	280	3,830
Total assets	73,279	69,831
Capital expenditures	1,040	846
Engineering [Member]
Revenues	82,753	73,853
Cost of services	60,352	54,182
Gross profit	22,401	19,671
Selling, general and administrative	16,114	15,168
Legal, office closures and other charges
Tax credit professional fees
Change in contingent consideration	781	285
Goodwill impairment
Depreciation and amortization	1,186	1,120
Operating income (loss)	4,320	3,098
Total assets	35,121	35,535
Capital expenditures	472	620
Specialty Health Care [Member]
Revenues	71,316	59,783
Cost of services	53,801	44,091
Gross profit	17,515	15,692
Selling, general and administrative	15,811	13,947
Legal, office closures and other charges
Tax credit professional fees
Change in contingent consideration
Goodwill impairment
Depreciation and amortization	386	257
Operating income (loss)	1,318	1,488
Total assets	22,718	18,565
Capital expenditures	494	149
Information Technology [Member]
Revenues	32,668	42,812
Cost of services	24,197	31,145
Gross profit	8,471	11,667
Selling, general and administrative	8,460	10,948
Legal, office closures and other charges
Tax credit professional fees
Change in contingent consideration
Goodwill impairment	3,478
Depreciation and amortization	185	192
Operating income (loss)	(3,652)	527
Total assets	6,288	11,705
Capital expenditures		52
Corporate Segment [Member]
Revenues
Cost of services
Gross profit
Selling, general and administrative
Legal, office closures and other charges	1,447	1,283
Tax credit professional fees	259
Change in contingent consideration
Goodwill impairment
Depreciation and amortization
Operating income (loss)	(1,706)	(1,283)
Total assets	9,152	4,026
Capital expenditures	$ 74	$ 25