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Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2017
Intangible Assets  
Schedule of gross carrying amount and related accumulated amortization of the intangible asset

 

The following sets forth the gross carrying amount and related accumulated amortization of the intangible asset, in thousands:

 

 

 

Weighted-

 

September 30,

 

December 31,

 

 

 

Average Life

 

2017

 

2016

 

 

 

(unaudited)

 

Capitalized patent defense costs

 

5.9 - 10 years

 

$
43,978

 

$
37,633

 

 

 

 

 

 

 

 

 

Less accumulated amortization

 

 

 
(6,816

)
(1,283

)

 

 

 

 

 

 

 

 

 

 

 

 

$
37,162

 

$
36,350