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Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 2021
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, 2021

(In thousands)

 

Cost

 

Unrealized
Gains

 

Unrealized
Losses

 

Fair Value

Short-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

3,332

 

 

$

20

 

 

$

—

 

$

3,352

 

Corporate debt securities and certificates of deposit

 

3,882

 

 

15

 

 

—

 

3,897

 

Marketable securities – short-term

 

$

7,214

 

 

$

35

 

 

$

—

 

$

7,249

 

Long-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

9,094

 

 

$

30

 

 

$

(10

 )

 

$

9,114

 

Corporate debt securities and certificates of deposit

 

3,452

 

 

27

 

 

(1

 )

 

3,478

 

Asset backed securities

 

2,572

 

 

25

 

 

(1

 )

 

2,596

 

Equity security

 

42

 

 

—

 

 

—

 

42

 

Marketable securities – long-term

 

$

15,160

 

 

$

82

 

 

$

(12

 )

 

$

15,230

 






 

December 31, 2020

(In thousands)

 

Cost

 

Unrealized
Gains

 

Unrealized
Losses

 

Fair Value

Short-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

4,817

 

 

$

36

 

 

$

—

 

$

4,853

 

Corporate debt securities and certificates of deposit

 

3,113

 

 

21

 

 

—

 

3,134

 

Asset backed securities

 

133

 

 

1

 

 

—

 

 

134

 

  Marketable securities – short-term

 

$

8,063

 

 

$

58

 

 

$

—

 

$

8,121

 

Long-Term

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

7,529

 

 

$

66

 

 

$

—

 

$

7,595

 

Corporate debt securities and certificates of deposit

 

3,975

 

 

61

 

 

(1

 )

 

4,035

 

Asset backed securities

 

2,347

 

 

45

 

 

—

 

2,392

 

Equity security

 

42

 

 

—

 

 

(12

)

 

30

 

Marketable securities – long-term

 

$

13,893

 

 

$

172

 

 

$

(13

 )

 

$

14,052

 

Schedule of Unrealized Loss Position

At June 30, 2021 and December 31, 2020, investments in marketable debt securities in an unrealized loss position were as follows:  

 
 
 
 

 
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, 2021












   U.S. government and agency obligations

$
5,365


$
(10
 )

$
—


$
—

   Corporate debt securities and certificates of deposit

1,676


(1
 )

—


—

   Asset backed securities

549


(1
 )

—


—

      Marketable securities

$
7,590


$
(12
 )

$
—


$
—

December 31, 2020
 
 

 
 

 
 

 
 

U.S. government and agency obligations
 
$
330

 
$
—
 
$
—
 
$
—
Corporate debt securities and certificates of deposit
 
411

 
(1
 )
 
—
 
—
Marketable securities
 
$
741

 
$
(1
 )
 
$
—
 
$
—