Fair Value (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

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

The table below presents the balances of assets and liabilities measured at fair value on a recurring basis by level within the hierarchy as:

	(in thousands) As of December 31, 2015
	Total		Level 1		Level 2		Level 3
Assets:
Marketable Securities	$	6,795	$	6,795	$	—	$	—
Liabilities:
Total	$	6,795	$	6,795	$	—	$	—

	(in thousands) As of December 31, 2014
	Total		Level 1		Level 2		Level 3
Assets:
Marketable Securities	$	13,952	$	13,952	$	—	$	—
Liabilities:
Total	$	13,952	$	13,952	$	—	$	—

Schedule of Level 3 Liabilities measured at fair value on a recurring basis

The changes in Level 3 Liabilities measured at fair value on a recurring basis are summarized as follows: 

	2015		2014			2013
Balance at January 1	$	—	$	14		$	295
Fair value adjustments		—		(14	)		(281	)
Balance at December 31	$	—	$	—		$	14