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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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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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Reporting Segments (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
Reporting Segments (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 226,693		$ 246,821	$ 460,217	$ 504,279
Gross profit	42,095		46,647	85,370	93,417
Operating profit	(6,460)		1,203	(10,281)	2,343
Other income (expense), net	(452)		(97)	(601)	(84)
Income before income taxes	(6,912)		1,106	(10,882)	2,259
Assets	340,031			340,031		$ 339,097
Depreciation and amortization				5,707	5,012
Enterprise Talent Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	133,480		149,392	273,129	310,818
Gross profit	15,434		18,326	31,915	37,586
Operating profit	(458)		3,093	677	7,269
Assets	145,772			145,772		137,695
Depreciation and amortization				631	666
Specialty Talent and Technology [Member]
Segment Reporting Information [Line Items]
Revenue	19,129		7,901	37,522	15,591
Gross profit	5,510		2,595	10,822	5,157
Operating profit			444		1,169
Assets	38,305			38,305		40,127
Depreciation and amortization				1,654	145
Engineering Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	61,153		76,536	124,407	151,367
Gross profit	14,776		19,254	30,253	37,633
Operating profit	(2,943)		907	(4,878)	510
Assets	96,511			96,511		93,810
Depreciation and amortization				2,468	3,016
MRI [Member]
Segment Reporting Information [Line Items]
Revenue	12,931		12,992	25,159	26,503
Gross profit	6,375		6,472	12,380	13,041
Operating profit	1,081		1,574	1,664	3,030
Assets	21,943			21,943		23,273
Depreciation and amortization				132	162
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit	(3,704)		$ (4,815)	(7,753)	(9,635)
Assets	37,500			37,500		$ 44,192
Depreciation and amortization				822	$ 1,023
EdgeRock Technologies, LLC [Member] \| Specialty Talent and Technology [Member]
Segment Reporting Information [Line Items]
Operating profit	$ (436)			$ 9
Mexico-based Engineering Design Company [Member] \| Specialty Talent and Technology [Member]
Segment Reporting Information [Line Items]
Operating profit		$ 800