v2.4.1.9
Geographic Concentration
 12 Months Ended
Dec. 31, 2014
GEOGRAPHIC CUSTOMER CONCENTRATION [Abstract]  
Segment Reporting Disclosure [Text Block]
GEOGRAPHIC / CUSTOMER CONCENTRATION
We have one reportable segment. During 2014 and 2013, the majority of our revenue was derived from a limited number of licensees based outside of the United States, primarily in Asia. These revenues were paid in U.S. dollars and were not subject to any substantial foreign exchange transaction risk. The table below lists the countries of the headquarters of our licensees and customers and the total revenue derived from each country or region for the periods indicated (in thousands):
 
For the Year Ended December 31,
 
2014
 
2013
 
2012
South Korea
144,398

 
15,334

 
118,078

Taiwan
115,955

 
128,551

 
40,394

United States
53,163

 
108,728

 
406,950

Japan
52,194

 
27,494

 
39,558

Sweden
24,530

 
—

 
—

Canada
15,422

 
36,148

 
40,667

Germany
5,293

 
4,539

 
3,470

Other Europe
4,064

 
3,004

 
4,700

China
800

 
1,563

 
9,246

Other Asia
2

 
—

 
—

Total
$
415,821

 
$
325,361

 
$
663,063

During 2014, 2013 and 2012, the following licensees or customers accounted for 10% or more of total revenues:
 
2014
 
2013
 
2012
Samsung a
33
%
 
—
%
 
15
%
Pegatron Corporation b
18
%
 
30
%
 
< 10%

Intel Mobile Communications GmbH c
< 10%

 
18
%
 
< 10%

Sony Corporation of America
< 10%

 
12
%
 
< 10%

Intel Corporation
—
%
 
—
%
 
57
%
                                 
(a) 2014 revenues include $86.2 million of past patent royalties.
(b) 2013 revenues include $71.4 million of past patent royalties.
(c) 2013 revenues include $53.3 million of past technology solutions revenue.
At December 31, 2014, 2013 and 2012, we held $278.1 million, $215.9 million and $185.4 million, respectively, or nearly 100% in each year, of our property and equipment and patents in the United States net of accumulated depreciation and amortization. At each of December 31, 2014, 2013 and 2012, we held less than $0.1 million of property and equipment, net of accumulated depreciation, collectively, in Canada, the United Kingdom and South Korea.