XML 44 R28.htm IDEA: XBRL DOCUMENT v3.3.1.900
Patents (Tables)
 12 Months Ended
Dec. 31, 2015
Patents [Abstract]  
Patents
The gross carrying amounts and accumulated amortization related to investments in intangible assets as of December 31, 2015 and 2014 are as follows (in thousands): 
 
 
2015
 
2014
 
 
 
 
 
Gross carrying amount - patents                                                                             
 
$
444,137

 
$
453,201

Accumulated amortization - patents(1)                                                                         
 
(281,495
)
 
(166,565
)
Patents, net                                                                             
 
$
162,642

 
$
286,636
Patent costs and accumulated amortization related to patent sales and disposals [Table Text Block]
For the years ended December 31, 2015, 2014 and 2013, capitalized patent costs, accumulated amortization, and sales proceeds related to patent-related sales and disposals are as follows (in thousands):
 
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Capitalized patent costs
 
$
500

 
$
3,000

 
$
3,500

Accumulated amortization
 
120

 
298

 
1,753

Sales proceeds
 
750

 
3,500

 
1,000