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Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 2018
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, 2018

(In thousands)

 

Cost

 

Unrealized
Gains

 

Unrealized
Losses

 

Fair Value

Short-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

3,496

 

 

$

1

 

 

$

(15

 )

 

$

3,482

 

Corporate debt securities and certificates of deposit

 

2,255

 

 

2

 

 

(9

 )

 

2,248

 

Asset backed securities

 

355

 

 

—

 

 

(2

 )

 

353

 

Marketable securities – short-term

 

$

6,106

 

 

$

3

 

 

$

(26

 )

 

$

6,083

 

Long-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

5,984

 

 

$

1

 

 

$

(55

 )

 

$

5,930

 

Corporate debt securities and certificates of deposit

 

535

 

 

—

 

 

(7

 )

 

528

 

Asset backed securities

 

3,540

 

 

—

 

 

(29

 )

 

3,511

 

Equity security

 

42

 

 

18

 

 

—

 

 

60

 

Marketable securities – long-term

 

$

10,101

 

 

$

19

 

 

$

(91

 )

 

$

10,029

 


 

 

December 31, 2017

(In thousands)

 

Cost

 

Unrealized
Gains

 

Unrealized
Losses

 

Fair Value

Short-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

4,381

 

 

$

—

 

 

$

(13

 )

 

$

4,368

 

Corporate debt securities and certificates of deposit

 

1,792

 

 

—

 

 

(4

 )

 

1,788

 

Asset backed securities

 

515

 

 

—

 

 

(1

) 

 

514

 

  Marketable securities – short-term

 

$

6,688

 

 

$

—

 

 

$

(18

 )

 

$

6,670

 

Long-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

4,801

 

 

$

—

 

 

$

(33

 )

 

$

4,768

 

Corporate debt securities and certificates of deposit

 

1,189

 

 

—

 

 

(10

 )

 

1,179

 

Asset backed securities

 

3,045

 

 

—

 

 

(16

 )

 

3,029

 

Equity security

 

42

 

 

55

 

 

—

 

 

97

 

Marketable securities – long-term

 

$

9,077

 

 

$

55

 

 

$

(59

 )

 

$

9,073

 

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
June 30, 2018
 
 

 
 

 
 

 
 

U.S. government and agency obligations
 
$
5,190

 
$
(49
 )
 
$
3,488
 
$
(21
 )
Corporate debt securities and certificates of deposit
 
227

 
(3
 )
 
1,721
 
(13
 )
Asset backed securities
 
2,494

 
(18
 )
 
1,370

 
(13
 )
Marketable securities – short-term
 
$
7,911

 
$
(70
 )
 
$
6,579
 
$
(47
 )
December 31, 2017
 
 

 
 

 
 

 
 

U.S. government and agency obligations
 
$
5,593

 
$
(29
 )
 
$
3,543
 
$
(17
 )
Corporate debt securities and certificates of deposit
 
478

 
(2
 )
 
1,991
 
(12
 )
Asset backed securities
 
2,312

 
(9
 )
 
1,232
 
(8
 )
Marketable securities – long-term
 
$
8,383

 
$
(40
 )
 
$
6,766
 
$
(37
 )