Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2016

Marketable Securities [Abstract]

Schedule of Marketable Securities

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

	June 30, 2016
(In thousands)	Cost		Unrealized Gains		Unrealized Losses		Fair Value
Short-Term
U.S. government and agency obligations	$	3,744	$	5	$	—	$	3,749
Corporate debt securities and certificates of deposit	1,440		1		—		1,441
Marketable securities – short-term	$	5,184	$	6	$	—	$	5,190
Long-Term
U.S. government and agency obligations	$	6,432	$	40	$	—	$	6,472
Corporate debt securities and certificates of deposit	250		1		—		251
Asset backed securities	452		—		—		452
Equity security	42		10		—		52
Marketable securities – long-term	$	7,176	$	51	$	—	$	7,227

	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 $5.0 million at June 30, 2016 and $791,000 at December 31, 2015 consist of the following:

	June 30, 2016
(In thousands)	Cost		Unrealized Gains		Unrealized Losses		Recorded Basis
Money market and certificates of deposit	$	4,993	$	—	$	—	$	4,993
	$	4,993	$	—	$	—	$	4,993

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