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MARKETABLE SECURITIES | 6 Months Ended
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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.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 3, 19, 20, 21, 22, 137 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Debt Security -URI http://asc.fasb.org/extlink&oid=6509901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -Glossary Equity Security -URI http://asc.fasb.org/extlink&oid=6511694 + Details
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