Note 14 - Segment Information - Results of the Segments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018	Dec. 29, 2018
Revenues	$ 50,705	$ 51,710	$ 102,300	$ 102,522
Cost of services	37,902	38,975	76,980	77,232
Gross profit	12,803	12,735	25,320	25,290
Selling, general and administrative	10,202	10,076	20,667	20,497
Depreciation and amortization	408	398	805	812
Operating income (loss)	2,193	890	3,848	2,610
Total assets	92,099	73,813	92,099	73,813	$ 81,510
Capital expenditures	137	309	238	598
Severance, professional fees and other charges		1,371		1,371
Engineering [Member]
Revenues	18,583	21,571	37,638	42,988
Cost of services	13,324	15,934	27,682	31,658
Gross profit	5,259	5,637	9,956	11,330
Selling, general and administrative	3,675	4,104	7,491	8,225
Depreciation and amortization	302	265	586	548
Operating income (loss)	1,282	1,268	1,879	2,557
Total assets	50,520	35,602	50,520	35,602
Capital expenditures	25	282	87	391
Severance, professional fees and other charges
Specialty Health Care [Member]
Revenues	23,370	22,858	47,540	45,492
Cost of services	18,057	17,771	36,593	35,156
Gross profit	5,313	5,087	10,947	10,336
Selling, general and administrative	4,285	4,137	8,779	8,608
Depreciation and amortization	86	106	177	211
Operating income (loss)	942	844	1,991	1,517
Total assets	28,030	26,069	28,030	26,069
Capital expenditures	88	16	104	56
Severance, professional fees and other charges
Information Technology [Member]
Revenues	8,752	7,281	17,122	14,042
Cost of services	6,521	5,270	12,705	10,418
Gross profit	2,231	2,011	4,417	3,624
Selling, general and administrative	2,242	1,835	4,397	3,664
Depreciation and amortization	20	27	42	53
Operating income (loss)	(31)	149	(22)	(93)
Total assets	8,028	6,497	8,028	6,497
Capital expenditures	4	9	17	18
Severance, professional fees and other charges
Corporate Segment [Member]
Revenues
Cost of services
Gross profit
Selling, general and administrative
Depreciation and amortization
Operating income (loss)		(1,371)		(1,371)
Total assets	5,521	5,645	5,521	5,645
Capital expenditures	$ 20	2	$ 30	133
Severance, professional fees and other charges		$ 1,371		$ 1,371

The amount of expense related to severance, professional fees and other charges.

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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.

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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