Investments (Tables)

12 Months Ended

Dec. 31, 2015

Balance Sheet Related Disclosures [Abstract]

Investments in Marketable Securities

Investments in marketable securities presented within prepaid expenses and other current assets and other assets, non-current on the consolidated balance sheet as of December 31, 2015 consisted of the following:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
Available-for-sale - short-term:
U.S. Treasury, government and agency debt securities	$	10,485	$	—	$	(22	)	$	10,463
Corporate debt securities	12,786		—		—			12,786
Total	$	23,271	$	—	$	(22	)	$	23,249
Available-for-sale - long-term:
U.S. Treasury, government and agency debt securities	$	13,529	$	—	$	(46	)	$	13,483

Amortized Cost and Fair Value of the Company's Marketable Securities

The amortized cost and fair value of the Company's marketable securities at December 31, 2015, by contractual years-to-maturity are as follows:

	Amortized Cost		Fair Value
	(in thousands)
Due in less than 1 year	$	23,271	$	23,249
Due within 1-2 years	13,529		13,483
Total	$	36,800	$	36,732