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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2013
Accumulated Other Comprehensive Income [Abstract] |
Reconciliation Of Amounts Contained In Accumulated Other Comprehensive Income |
|  | Accumulated other comprehensive income (loss) |  | Accumulated other comprehensive income (loss), net of tax
As of December 31, 2012 | $ | 2 | $ | 2
Other comprehensive loss due to change in fair market value of marketable securities during period before reclassifications |  | (347) |  | (295)
Reclassifications due to realization of gain/loss on sale of marketable securities (1) |  | (18) |  | (15)
Net current-period other comprehensive loss |  | (365) |  | (310)
As of June 30, 2013 | $ | (363) | $ | (308)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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