Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Revenues	$ 200,352	$ 186,737
Cost of services	151,042	138,350
Gross profit	49,310	48,387
Selling, general and administrative	40,386	40,385
Depreciation and amortization of property and equipment	1,442	1,691
Amortization of acquired intangible assets	125	66
Severance, professional fees, office closures and other charges	1,571	1,447
Tax credit professional fees	371	259
Operating income	5,415	280
Total assets	81,510	73,279
Capital expenditures	1,518	1,040
Change in contingent consideration		781
Goodwill impairment	0	3,478
Engineering [Member]
Revenues	86,078	82,753
Cost of services	63,488	60,352
Gross profit	22,590	22,401
Selling, general and administrative	16,073	16,114
Depreciation and amortization of property and equipment	961	1,120
Amortization of acquired intangible assets	125	66
Severance, professional fees, office closures and other charges
Tax credit professional fees
Operating income	5,431	4,320
Total assets	47,837	35,121
Capital expenditures	930	472
Change in contingent consideration		781
Goodwill impairment
Specialty Health Care [Member]
Revenues	83,663	71,316
Cost of services	64,860	53,801
Gross profit	18,803	17,515
Selling, general and administrative	16,500	15,811
Depreciation and amortization of property and equipment	383	386
Amortization of acquired intangible assets
Severance, professional fees, office closures and other charges
Tax credit professional fees
Operating income	1,920	1,318
Total assets	21,636	22,718
Capital expenditures	222	494
Change in contingent consideration
Goodwill impairment
Information Technology [Member]
Revenues	30,611	32,668
Cost of services	22,694	24,197
Gross profit	7,917	8,471
Selling, general and administrative	7,813	8,460
Depreciation and amortization of property and equipment	98	185
Amortization of acquired intangible assets
Severance, professional fees, office closures and other charges
Tax credit professional fees
Operating income	6	(3,652)
Total assets	7,577	6,288
Capital expenditures	120
Change in contingent consideration
Goodwill impairment		3,478
Corporate Segment [Member]
Revenues
Cost of services
Gross profit
Selling, general and administrative
Depreciation and amortization of property and equipment
Amortization of acquired intangible assets
Severance, professional fees, office closures and other charges	1,571	1,447
Tax credit professional fees	371	259
Operating income	(1,942)	(1,706)
Total assets	4,460	9,152
Capital expenditures	$ 246	74
Change in contingent consideration
Goodwill impairment