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INTANGIBLE ASSETS, NET
 12 Months Ended
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS, NET
GOODWILL AND INTANGIBLE ASSETS, NET
The following table summarizes activities related to the carrying value of goodwill:
 
Micro-
Controllers
 
ASIC
 
Total
 
(in thousands)
Balance at December 31, 2011
$
66,645

 
$
1,017

 
$
67,662

Goodwill recorded in connection with acquisition
46,166

 
—

 
46,166

Effects of foreign currency translation
(9,414
)
 
16

 
(9,398
)
Balance at December 31, 2012
$
103,397

 
$
1,033

 
$
104,430

Goodwill recorded in connection with acquisition
5,389

 
—

 
5,389

Effects of foreign currency translation
(1,625
)
 
46

 
(1,579
)
Balance at December 31, 2013
$
107,161

 
$
1,079

 
$
108,240



Intangible assets, net, consist of technology licenses and acquisition-related intangible assets as follows:
 
December 31, 2013
 
December 31, 2012
 
(in thousands)
Licensed technology
$
23,814

 
$
18,123

Accumulated amortization
(18,470
)
 
(16,171
)
Total technology licenses
5,344

 
1,952

Customer relationships
25,857

 
24,657

Developed technologies
22,398

 
20,298

Non-compete agreements, tradename and backlog
3,794

 
3,595

Acquisition-related intangible assets
52,049

 
48,550

Accumulated amortization
(29,277
)
 
(23,245
)
Total acquisition-related intangible assets
22,772

 
25,305

Total intangible assets, net
$
28,116

 
$
27,257


Amortization expense for technology licenses totaled $2.3 million, $3.7 million and $3.5 million for the years ended December 31, 2013, 2012 and 2011, respectively. Amortization expense for acquisition-related intangible assets totaled $6.0 million, $5.6 million and $4.6 million, of which $1.0 million, $1.5 million and $1.1 million pertained to developed technology, for the years ended December 31, 2013, 2012 and 2011, respectively.
The following table presents the estimated future amortization of the technology licenses and acquisition-related intangible assets:
Years Ending December 31:
Technology
Licenses
 
Acquisition-Related
Intangible Assets
 
Total
 
(in thousands)
2014
$
1,563

 
$
5,152

 
$
6,715

2015
1,390

 
4,588

 
5,978

2016
1,147

 
3,381

 
4,528

2017
1,147

 
3,181

 
4,328

2018
97

 
3,005

 
3,102

Thereafter
—

 
3,465

 
3,465

Total future amortization
$
5,344

 
$
22,772

 
$
28,116