Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The Company’s assets and liabilities that are measured at fair value on a recurring basis, by level, within the fair value hierarchy as ofJune 30, 2016andDecember 31, 2015, are summarized as follows (amounts in thousands).The Company’s restricted cash balance of $4.0 million at June 30, 2016 and $5.4 million at December 31, 2015 is not held in a money market account and is not included in the following table.

	June 30, 2016								December 31, 2015
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	3,073	$	—	$	—	$	3,073	$	4,059	$	—	$	—	$	4,059
Foreign currency derivative contracts	—		287		—		287		—		102		—		102
Total assets	$	3,073	$	287	$	—	$	3,360	$	4,059	$	102	$	—	$	4,161
Liabilities:
Contingent earn-outs	$	—	$	—	$	210	$	210	$	—	$	—	$	377	$	377
Foreign currency derivative contracts	—		21		—		21		—		310		—		310
Total liabilities	$	—	$	21	$	210	$	231	$	—	$	310	$	377	$	687

Change in Fair Value of Level 3 Liabilities

The changes in fair value of the Level 3 liabilities are as follows (amounts in thousands):

	Contingent Earn-Out
	June 30, 2016			December 31, 2015
Balance, Beginning of Period	$	377		$	6,940
Cash payments	(167		)	(2,883		)
Changes in fair value	—			(3,680		)
Balance, End of Period	$	210		$	377

Schedule of Derivative Instruments

The following summarizes certain information regarding the Company’s outstanding foreign currency derivative contracts related primarily to intercompany receivables and payables for the periods presented (in thousands):

	As of June 30, 2016		As of December 31, 2015
Notional amount of foreign currency derivative contracts	$	43,067	$	43,431
Fair value of foreign currency derivatives contracts	$	266	$	(208	)

Schedule of Derivative Liabilities at Fair Value

The fair value of the Company’s derivative instruments is summarized below (in thousands):

		Fair Value of Derivative Instruments
	Balance Sheet Location	As of June 30, 2016		As of December 31, 2015
Derivative Assets
Derivatives not designated as hedging instruments:
Foreign currency derivatives contracts	Prepaid expenses and other current assets	$	287	$	102
Derivative Liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivatives contracts	Accrued expenses and other liabilities	$	21	$	310

Gain (Losses) on Derivative Instruments Recognized in Income Statement

The following summarizes certain information regarding the Company’s derivatives that are not designated or are not effective as hedges (in thousands):

	Gain (losses) on Derivative Instruments Recognized in Statements of Operations
		Three Months Ended June 30,					Six Months Ended June 30,
	Location	2016			2015		2016		2015
Foreign currency derivatives contracts	Other (expense)income	$	(393	)	$	40	$	88	$	33