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F. INTANGIBLE ASSETS
 12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS

NOTE F—INTANGIBLE ASSETS

 

At December 31, 2016 and 2015, intangible assets consisted of the following:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2016

 

 

    

Gross

    

Accumulated

    

Intangible

 

 

 

Amount

 

amortization

 

assets, net

 

 

 

(in thousands)

 

Patents

 

$
5,987

 

$
(1,997)

 

$
3,990

 

Trademarks

 

 
14

  

 
(11)

 

 
3

 

Total intangible assets

 

$
6,001

 

$
(2,008)

 

$
3,993

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2015

 

 

    

Gross

    

Accumulated

 

Intangible

 

 

 

Amount

 

amortization

 

assets, net

 

 

 

(in thousands)

 

Patents

 

$
5,446

 

$
(1,551)

 

$
3,895

 

Trademarks

 

 
14

  

 
(9)

 

 
5

 

Total intangible assets

 

$
5,460

 

$
(1,560)

 

$
3,900

 

 

In 2014, the Company acquired an intangible asset from an unrelated company in the form of a license to various patents related to transceiver product technology. The weighted-average amortization period for the license is 10 years.

For the years ended December 31, 2016, 2015 and 2014, amortization expense for intangible assets, included in general and administrative expenses on the income statement, was $0.5 million, $0.4 million and $0.4 million, respectively. The remaining weighted average amortization period for intangible assets is approximately 8.6 years.

 

At December 31, 2016, approximate amortization expense for intangible assets was as follows (in thousands):

 

 

 

 

 

 

2017

    

$
466

 

2018

 

 
466

 

2019

 

 
466

 

2020

 

 
466

 

2021

 

 
467

 

thereafter

 

 
1,662

 

 

 

$
3,993