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Goodwill and Other Identifiable Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2013
Patents [Abstract] |
Patent costs and accumulated amortization related to patent sales and disposals [Table Text Block] | For the years ended December 31, 2013, 2012 and 2011, capitalized patent costs and accumulated amortization, and sales proceeds and other costs, related to patent-related sales and disposals are as follows (in thousands):
|  | 2013 |  | 2012 |  | 2011
Capitalized patent costs |  | $ | 3,500 |  |  | $ | 5,500 |  |  | $ | 4,612 |
Accumulated amortization |  | 1,753 |  |  | 2,466 |  |  | 3,509 |
Sales proceeds |  | 1,000 |  |  | 2,792 |  |  | 11,000 |
Other costs |  | — |  |  | — |  |  | 4,717 |
Patents | The gross carrying amounts and accumulated amortization related to acquired intangible assets as of December 31, 2013 and 2012 are as follows (in thousands):
|  | 2013 |  | 2012
Gross carrying amount - patents |  | $ | 400,755 |  |  | $ | 383,379 |
Accumulated amortization - patents |  | (112,323 | ) |  | (69,850 | )
Patents, net |  | $ | 288,432 |  |  | $ | 313,529 |

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- Definition Patent costs and accumulated amortization, and sales proceeds and other costs related to patent sales and disposals [Table Text Block] + References No definition available. + Details
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- Details
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- Definition Patents [Table Text Block] + References No definition available. + Details
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