Cash and Cash Equivalents and Fair Value of Financial Instruments - Schedule of Financial Assets Measured At Fair Value (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	$ 10,133		$ 10,114
Forward contracts	108		32
Total financial assets	10,241		10,146
Total financial liabilities	2,959		5,823
Payments for contingent consideration	3,000	$ 0
Accrued interest	100
Contingent Consideration Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial liabilities	2,959		5,823
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	10,133		10,114
Forward contracts	0		0
Total financial assets	10,133		10,114
Total financial liabilities	0		0
Fair Value, Inputs, Level 1 | Contingent Consideration Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial liabilities	0		0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	0		0
Forward contracts	108		32
Total financial assets	108		32
Total financial liabilities	0		0
Fair Value, Inputs, Level 2 | Contingent Consideration Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial liabilities	0		0
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	0		0
Forward contracts	0		0
Total financial assets	0		0
Total financial liabilities	2,959		5,823
Fair Value, Inputs, Level 3 | Contingent Consideration Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial liabilities	$ 2,959		$ 5,823