Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on recurring basis

The following tables present financial assets and liabilities at June 30, 2016 and December 31, 2015 for which the Company measures fair value on a recurring basis, by level, within the fair value hierarchy:

June 30, 2016	Total		Level 1		Level 2		Level 3		Valuation Technique
Assets
Money market mutual funds	$	17,061	$	17,061	$	—	$	—	(a)
Certificates of deposit	5,598		5,598		—		—		(a)
Liabilities
Interest rate swaps	249		—		249		—		(b)

December 31, 2015	Total		Level 1		Level 2		Level 3		Valuation Technique
Assets
Money market mutual funds	$	13,244	$	13,244	$	—	$	—	(a)
United States treasuries	1,002		1,002		—		—		(a)
Corporate notes	2,284		—		2,284		—		(a)
Certificates of deposit	6,089		6,089		—		—		(a)
Liabilities
Interest rate swaps	238		—		238		—		(b)