Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Assets measured at fair value on a recurring basis

Assets and liabilities measured at fair value on a recurring basis as of June 30, 2016 and December 31, 2015 were as follows (in thousands):

	June 30, 2016
	Level 1		Level 2			Level 3		Total
Assets:
Cash Equivalents
Money market funds	$	6,594	$	—		$	—	$	6,594
Commercial paper	—		5,996			—		5,996
Corporate bonds	—		2,012			—		2,012
Total cash equivalents	6,594		8,008			—		14,602
Available-for-Sale Securities
Certificates of deposit(1)	—		28,235			—		28,235
Corporate bonds	—		3,054			—		3,054
U.S. government bonds	—		2,005			—		2,005
Total available-for-sale securities	—		33,294			—		33,294
Total assets measured at fair value	$	6,594	$	41,302		$	—	$	47,896
Liabilities:
Derivatives
Interest rate swap contract	$	—	$	(1,263	)	$	—	$	(1,263	)
Total liabilities measured at fair value	$	—	$	(1,263	)	$	—	$	(1,263	)

	December 31, 2015
	Level 1		Level 2		Level 3		Total
Assets:
Cash Equivalents
Money market funds	$	1	$	—	$	—	$	1
Corporate bonds	—		733		—		733
Total cash equivalents	1		733		—		734
Available-for-Sale Securities
Certificates of deposit(1)	—		25,234		—		25,234
Corporate bonds	—		4,764		—		4,764
Total available-for-sale securities	—		29,998		—		29,998
Total assets measured at fair value	$	1	$	30,731	$	—	$	30,732

⁽¹⁾ All certificates of deposit are within current FDIC insurance limits.