Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured at Fair Value

The carrying amount of cash, accounts receivable, and accounts payable approximate their fair value due to their short-term nature. 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, 2018andDecember 31, 2017, are summarized as follows (amounts in thousands).The Company’s restricted cash balance of $0.2 million at June 30, 2018 and $1.5 million at December 31, 2017 is not held in a money market account and is not included in the following table.

	June 30, 2018								December 31, 2017
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	2,817	$	—	$	—	$	2,817	$	2,806	$	—	$	—	$	2,806
Foreign currency derivative contracts	—		—		—		—		—		65		—		65
Total assets	$	2,817	$	—	$	—	$	2,817	$	2,806	$	65	$	—	$	2,871
Liabilities:
Foreign currency derivative contracts	$	—	$	—	$	—	$	—	$	—	$	2	$	—	$	2
Total liabilities	$	—	$	—	$	—	$	—	$	—	$	2	$	—	$	2

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, 2018		As of December 31, 2017
Notional amount of foreign currency derivative contracts	$	—	$	2,866
Fair value of foreign currency derivatives contracts	$	—	$	63

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, 2018		As of December 31, 2017
Derivative Assets
Derivatives not designated as hedging instruments:
Foreign currency derivatives contracts	Prepaid expenses and other current assets	$	—	$	65
Derivative Liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivatives contracts	Accrued expenses and other liabilities	$	—	$	2

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	2018		2017		2018			2017
Foreign currency derivatives contracts	Other (income) expense	$	—	$	38	$	(50	)	$	213