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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Schedule of assets that are measured at fair value on a recurring basis

		Fair Value Measurement at September 30, 2013 Using:
		Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Unobservable Inputs
		(Level 1)				(Level 2)				(Level 3)
Corporate debt securities		$	2,962			$	-			$	-
Money market funds (included in cash and cash equivalents)			70,408				-				-
Total		$	73,370			$	-			$	-

		Fair Value Measurement at December 31, 2012 Using:
		Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Unobservable Inputs
		(Level 1)				(Level 2)				(Level 3)
Corporate debt securities		$	2,010			$	-			$	-
Money market funds (included in cash and cash equivalents)			67,050				-				-
Total		$	69,060			$	-			$	-

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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