Fair Value Measurements (Tables)

9 Months Ended

Sep. 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 September 30, 2016 and December 31, 2015 were as follows (in thousands):

	September 30, 2016
	Level 1		Level 2			Level 3		Total
Assets:
Cash Equivalents
Money market funds	$	3,474	$	—		$	—	$	3,474
Commercial paper	—		1,999			—		1,999
Total cash equivalents	3,474		1,999			—		5,473
Available-for-Sale Securities
Certificates of deposit(1)	—		25,048			—		25,048
Corporate bonds	—		1,027			—		1,027
U.S. government bonds	—		2,006			—		2,006
Total available-for-sale securities	—		28,081			—		28,081
Total assets measured at fair value	$	3,474	$	30,080		$	—	$	33,554
Liabilities:
Derivatives
Interest rate swap contract	$	—	$	(865	)	$	—	$	(865	)
Total liabilities measured at fair value	$	—	$	(865	)	$	—	$	(865	)

	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.