Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Measurements [Abstract]

Financial Assets And Liability Measured At Fair Value On A Recurring Basis

	Fair Value Measurements as of December 31, 2014 Using
		Quoted Prices in		Significant
		Active Markets		Other		Significant
		for		Observable		Unobservable		Balance
		Identical Assets		Inputs		Inputs		as of
Description		(Level 1)		(Level 2)		(Level 3)		December 31, 2014
Certificate of deposit	$	—	$	75	$	—	$	75
Money market funds		19,678		—		—		19,678
Total	$	19,678	$	75	$	—	$	19,753

	Fair Value Measurements as of December 31, 2013 Using
		Quoted Prices in		Significant
		Active Markets		Other		Significant
		for		Observable		Unobservable		Balance
		Identical Assets		Inputs		Inputs		as of
Description		(Level 1)		(Level 2)		(Level 3)		December 31, 2013
Certificate of deposit	$	—	$	75	$	—	$	75
Money market funds		28,262		—		—		28,262
Total	$	28,262	$	75	$	—	$	28,337

Schedule Of Change In Estimated Fair Value Of Contingent Consideration

	Contingent
	Consideration
Balance as of January 1, 2012	$	15,400
Change in the estimated fair value of the contingent consideration liability		(15,422)
Translation adjustments		22
Balance as of December 31, 2012	$	—