Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2019

Marketable Securities [Abstract]

Schedule of Marketable Securities

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

	September 30, 2019
(In thousands)	Cost		Unrealized Gains		Unrealized Losses			Fair Value
Short-Term
U.S. government and agency obligations	$	5,138	$	11	$	(2	)	$	5,147
Corporate debt securities and certificates of deposit	1,170		1		—			1,171
Asset backed securities	1,469		5		—			1,474
Marketable securities – short-term	$	7,777	$	17	$	(2	)	$	7,792
Long-Term
U.S. government and agency obligations	$	5,646	$	32	$	(1	)	$	5,677
Corporate debt securities and certificates of deposit	1,602		12		—			1,614
Asset backed securities	2,035		17		—			2,052
Equity security	42		7		—			49
Marketable securities – long-term	$	9,325	$	68	$	(1	)	$	9,392

	December 31, 2018
(In thousands)	Cost		Unrealized Gains		Unrealized Losses			Fair Value
Short-Term
U.S. government and agency obligations	$	3,377	$	—	$	(20	)	$	3,357
Corporate debt securities and certificates of deposit	1,787		3		(5		)	1,785
Asset backed securities	633		—		(4		)	629
Marketable securities – short-term	$	5,797	$	3	$	(29	)	$	5,771
Long-Term
U.S. government and agency obligations	$	6,114	$	10	$	(23	)	$	6,101
Corporate debt securities and certificates of deposit	754		1		(3		)	752
Asset backed securities	3,422		2		(15		)	3,409
Equity security	42		18		—			60
Marketable securities – long-term	$	10,332	$	31	$	(41	)	$	10,322

Schedule of Unrealized Loss Position

	In Unrealized Loss Position For Less Than 12 Months					In Unrealized Loss Position For Greater Than 12 Months
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
September 30, 2019
U.S. government and agency obligations	$	1,057	$	(2	)	$	2,282	$	(1	)
Corporate debt securities and certificates of deposit	20		—			80		—
Asset backed securities	50		—			733		—
Marketable securities	$	1,127	$	(2	)	$	3,095	$	(1	)
December 31, 2018
U.S. government and agency obligations	$	1,548	$	(4	)	$	4,608	$	(39	)
Corporate debt securities and certificates of deposit	250		—			1,178		(8		)
Asset backed securities	1,023		(3		)	2,137		(16		)
Marketable securities	$	2,821	$	(7	)	$	7,923	$	(63	)