Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015	Jan. 02, 2016
Engineering [Member]
Revenues	$ 17,591	$ 19,224	$ 55,019	$ 61,843
Cost of services	13,292	14,325	40,859	46,989
Gross profit	4,299	4,899	14,160	14,854
Selling, general and administrative	3,606	3,784	11,355	11,893
Depreciation and amortization	281	301	840	794
Operating income (loss)	412	814	1,965	2,167
Total assets	34,019	39,985	34,019	39,985
Capital expenditures	61	263	516	1,036
Information Technology [Member]
Revenues	10,069	15,171	33,766	44,684
Cost of services	7,335	10,477	24,455	30,904
Gross profit	2,734	4,694	9,311	13,780
Selling, general and administrative	2,577	3,653	8,419	11,291
Depreciation and amortization	48	78	149	172
Operating income (loss)	109	963	743	2,317
Total assets	12,336	15,278	12,336	15,278
Capital expenditures	10		58
Specialty Health Care [Member]
Revenues	12,035	10,682	43,465	31,802
Cost of services	8,924	7,473	32,012	22,241
Gross profit	3,111	3,209	11,453	9,561
Selling, general and administrative	3,151	3,025	10,202	8,456
Depreciation and amortization	59	55	188	118
Operating income (loss)	(99)	129	1,063	987
Total assets	15,770	17,021	15,770	17,021
Capital expenditures		54	128	54
Corporate Segment [Member]
Revenues
Cost of services
Gross profit
Selling, general and administrative
Depreciation and amortization
Operating income (loss)
Total assets	3,767	9,390	3,767	9,390
Capital expenditures	4	1,240	30	1,461
Revenues	39,695	45,077	132,250	138,329
Cost of services	29,551	32,275	97,326	100,134
Gross profit	10,144	12,802	34,924	38,195
Selling, general and administrative	9,334	10,462	29,976	31,640
Depreciation and amortization	388	434	1,177	1,084
Operating income (loss)	422	1,906	3,771	5,471
Total assets	65,892	81,674	65,892	81,674	$ 81,336
Capital expenditures	$ 75	$ 1,557	$ 732	$ 2,551

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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