Patents (Tables)
|
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2012
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Patents [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Patent costs and accumulated amortization related to patent sales and disposals [Table Text Block] | For the years ended December 31, 2012, 2011 and 2010, patent costs and accumulated amortization related to patent-related sales and disposals are as follows (in thousands):
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Patents | The gross carrying amounts and accumulated amortization related to acquired intangible assets as of December 31, 2012 and 2011 are as follows (in thousands):
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Patent proceeds and other costs related to sales and disposals [Table Text Block] | For the years ended December 31, 2012, 2011 and 2010, patent proceeds and other costs related to patent-related sales and disposals are as follows (in thousands):
|