Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurement of Financial Assets and Liabilities on Recurring Basis

The following tables present the fair value measurement hierarchy of the Company’s assets and liabilities on a recurring basis as of December 31, 2017 and 2016 (in thousands):

	Fair Value as of December 31, 2017
	Level 1		Level 2		Level 3		Total
Liabilities
Contingent consideration	$	—	$	—	$	2,774	$	2,774
	Fair Value as of December 31, 2016
	Level 1		Level 2		Level 3		Total
Liabilities
Contingent consideration	$	—	$	—	$	2,733	$	2,733

Summary of Changes in the Fair Value of the Contingent Consideration Liability

The following table summarizes the changes in the fair value of the contingent consideration liability during 2016 and 2017 (in thousands):

Balance at December 31, 2015	$	3,457
Payment of contingent consideration		(816	)
Fair value adjustment of contingent consideration		92
Balance at December 31, 2016		2,733
Payment of contingent consideration		(897	)
Fair value adjustment of contingent consideration		938
Balance at December 31, 2017	$	2,774