Patents Cost and Accumulated Amortization (Details) (Patents [Member], USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Dec. 31, 2011
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Patents [Member]
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Patents [Line Items] | ||
Gross carrying amount - patents | $ 383,379 | $ 61,519 |
Accumulated amortization - patents | 69,850 | 36,331 |
Patents, net | $ 313,529 | $ 25,188 |
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- Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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