Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Revenues	$ 176,448	$ 185,736
Cost of services	129,418	133,851
Gross profit	47,030	51,885
Selling, general and administrative	40,063	42,567
Legal settlement and office closure	1,283
Depreciation and amortization	1,569	1,467
Operating income (loss)	4,115	7,851
Total assets	69,831	81,336
Capital expenditures	846	2,790
Engineering [Member]
Revenues	73,853	80,713
Cost of services	54,182	60,472
Gross profit	19,671	20,241
Selling, general and administrative	15,168	15,829
Legal settlement and office closure
Depreciation and amortization	1,120	1,044
Operating income (loss)	3,383	3,368
Total assets	35,535	41,689
Capital expenditures	620	1,238
Information Technology [Member]
Revenues	42,812	58,885
Cost of services	31,145	40,787
Gross profit	11,667	18,098
Selling, general and administrative	10,948	14,854
Legal settlement and office closure
Depreciation and amortization	192	240
Operating income (loss)	527	3,004
Total assets	11,705	14,011
Capital expenditures	52	18
Specialty Health Care [Member]
Revenues	59,783	46,138
Cost of services	44,091	32,592
Gross profit	15,692	13,546
Selling, general and administrative	13,947	11,884
Legal settlement and office closure
Depreciation and amortization	257	183
Operating income (loss)	1,488	1,479
Total assets	18,565	18,520
Capital expenditures	149	73
Corporate Segment [Member]
Revenues
Cost of services
Gross profit
Selling, general and administrative
Legal settlement and office closure	1,283
Depreciation and amortization
Operating income (loss)	(1,283)
Total assets	4,026	7,116
Capital expenditures	$ 25	$ 1,461