Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2016

Marketable Securities [Abstract]

Schedule of Marketable Securities

Our investments in marketable securities are classified as available-for-sale and consist of the following:

	March 31, 2016
(In thousands)	Cost		Unrealized Gains		Unrealized Losses			Fair Value
Short-Term
U.S. government and agency obligations	$	3,093	$	2	$	—		$	3,095
Corporate debt securities and certificates of deposit	1,715		1		—			1,716
Marketable securities – short-term	$	4,808	$	3	$	—		$	4,811
Long-Term
U.S. government and agency obligations	$	6,551	$	28	$	—		$	6,579
Corporate debt securities and certificates of deposit	400		—		—			400
Asset backed securities	553		—		(1		)	552
Equity security	42		12		—			54
Marketable securities – long-term	$	7,546	$	40	$	(1	)	$	7,585

	December 31, 2015
(In thousands)	Cost		Unrealized Gains		Unrealized Losses			Fair Value
Short-Term
U.S. government and agency obligations	$	3,806	$	—	$	(2	)	$	3,804
Corporate debt securities and certificates of deposit	1,440		—		(1		)	1,439
Asset backed securities	6		—		—			6
Marketable securities – short-term	$	5,252	$	—	$	(3	)	$	5,249
Long-Term
U.S. government and agency obligations	$	6,681	$	1	$	(18	)	$	6,664
Corporate debt securities and certificates of deposit	675		—		(1		)	674
Asset backed securities	694		—		(1		)	693
Equity security	42		11		—			53
Marketable securities – long-term	$	8,092	$	12	$	(20	)	$	8,084

Schedule of Marketable Securities Classified as Cash Equivalents

Investments in marketable securities classified as cash equivalents of $492,000 at March 31, 2016 and $791,000 at December 31, 2015 consist of the following:

	March 31, 2016
(In thousands)	Cost		Unrealized Gains		Unrealized Losses		Recorded Basis
Corporate debt securities and certificates of deposit	$	492	$	—	$	—	$	492
	$	492	$	—	$	—	$	492

	December 31, 2015
(In thousands)	Cost		Unrealized Gains		Unrealized Losses		Recorded Basis
Corporate debt securities and certificates of deposit	$	791	$	—	$	—	$	791
	$	791	$	—	$	—	$	791