Acquisitions - Schedule of Pro-forma Information (Details) (On Assignment [Member], USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
On Assignment [Member]
Business Acquisition [Line Items]
Revenue from services	$ 476,456	$ 482,142
Net income (loss)	$ (50,336)	$ (40,543)
Net income (loss) per common share - basic (usd per share)	$ (1.62)	$ (1.31)
Net income (loss) per common share - diluted (usd per share)	$ (1.62)	$ (1.31)

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

+ Details

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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