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Marketable Securities
 3 Months Ended
Mar. 31, 2015
Marketable Securities [Abstract]  
Marketable Securities

Note 4.      marketable securities

 

The amortized cost and fair value of marketable securities were as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As of March 31, 2015

 

 

Amortized Cost

 

 

Gross Unrealized Gains

 

 

Gross Unrealized Losses

 

 

Fair Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Corporate bonds

 

$
110,782 

 

$
30 

 

$
97 

 

$
110,715 

 

Agency bonds

 

 
16,104 

 

 

 -

 

 
4 

 

 
16,100 

 

U.S. government bonds

 

 
5,091 

 

 

 -

 

 

 -

 

 
5,091 

 

Certificate of deposit

 

 
3,000 

 

 

 -

 

 

 -

 

 
3,000 

 

Commercial paper

 

 
1,496 

 

 

 -

 

 

 -

 

 
1,496 

 

International government bond

 

 
1,410 

 

 

 -

 

 
1 

 

 
1,409 

 

Municipal bond

 

 
1,400 

 

 
4 

 

 

 -

 

 
1,404 

 

Total marketable securities

 

$
139,283 

 

$
34 

 

$
102 

 

$
139,215 

 

 

No marketable securities have been in a continuous unrealized loss position for more than twelve months. The marketable securities held by the Company were high investment grade and there were no marketable securities that we consider to be other-than-temporarily impaired as of March 31, 2015.

 

The contractual maturities of marketable securities were as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

As of March 31, 2015

 

 

Amortized Cost

 

 

Fair Value

 

 

 

 

 

 

 

 

 

Due in one year or less

 

$
74,100 

 

$
74,062 

 

Due after one through two years

 

 
65,183 

 

 
65,153 

 

 

 

$
139,283 

 

$
139,215