Reporting Segments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 233,524	$ 257,458
Gross profit	43,275	46,770
Operating profit	(3,821)	1,140
Other income (expense), net	(149)	13
Income before income taxes	(3,970)	1,153
Assets	341,078		$ 339,097
Depreciation and amortization	3,082	2,562
Enterprise Talent Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	139,649	161,426
Gross profit	16,481	19,260
Operating profit	1,135	4,176
Assets	143,526		137,695
Depreciation and amortization	316	392
Specialty Talent and Technology [Member]
Segment Reporting Information [Line Items]
Revenue	18,393	7,690
Gross profit	5,312	2,562
Operating profit		725
Assets	38,607		40,127
Depreciation and amortization	1,002	72
Engineering Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	63,254	74,831
Gross profit	15,477	18,379
Operating profit	(1,935)	(397)
Assets	98,686		93,810
Depreciation and amortization	1,271	1,511
MRI [Member]
Segment Reporting Information [Line Items]
Revenue	12,228	13,511
Gross profit	6,005	6,569
Operating profit	583	1,456
Assets	22,250		23,273
Depreciation and amortization	66	82
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit	(4,049)	(4,820)
Assets	38,009		$ 44,192
Depreciation and amortization	427	$ 505
EdgeRock Technologies, LLC [Member] \| Specialty Talent and Technology [Member]
Segment Reporting Information [Line Items]
Operating profit	445
Mexico-based Engineering Design Company [Member] \| Specialty Talent and Technology [Member]
Segment Reporting Information [Line Items]
Operating profit	$ 800

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
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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