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MARKETABLE SECURITIES
 6 Months Ended
Jun. 30, 2013
Marketable Securities [Abstract]  
MARKETABLE SECURITIES
MARKETABLE SECURITIES
At June 30, 2013, current available-for-sale marketable securities are as follows:
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
(In thousands)
Corporate debt security
$
1,003

 
$
11

 
$
—

 
$
1,014

Total debt security
1,003

 
11

 
—

 
1,014

Equity security
—

 
6,761

 
—

 
6,761

Total marketable securities
$
1,003

 
$
6,772

 
$
—

 
$
7,775

The contractual maturity of the debt security classified as available-for-sale at June 30, 2013 is less than one year.
At December 31, 2012, current available-for-sale marketable securities are as follows:
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
(In thousands)
Corporate debt securities
$
13,608

 
$
19

 
$
—

 
$
13,627

Total debt securities
13,608

 
19

 
—

 
13,627

Equity security
—

 
6,977

 
—

 
6,977

Total marketable securities
$
13,608

 
$
6,996

 
$
—

 
$
20,604


The net unrealized gains in the tables above are included in "Accumulated other comprehensive loss" in the accompanying consolidated balance sheet.
At June 30, 2013 and December 31, 2012, there are no investments in current available-for-sale marketable securities that are in an unrealized loss position.
The following table presents the proceeds from maturities and sales of current and non-current available-for-sale marketable securities and the related gross realized gains and losses:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2013

2012
 
2013
 
2012
 
(In thousands)
Proceeds from maturities and sales of available-for-sale marketable securities
$
2

 
$
21,376

 
$
12,502

 
$
47,777

Gross realized gains
—

 
15

 
—

 
1,798

Gross realized losses
—

 
—

 
—

 
—


Gross realized gains and losses from the maturities and sales of available-for-sale marketable securities are included in "Other (expense) income, net" in the accompanying consolidated statement of operations.
The specific-identification method is used to determine the cost of securities sold and the amount of unrealized gains and losses reclassified out of accumulated other comprehensive income into earnings.