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Goodwill and Intangible Assets, Net
9 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets, Net
Goodwill and Intangible Assets, Net

Intangible assets consist primarily of existing technology, patent license and non-competition agreements acquired in business combinations. Acquired intangibles are amortized on a straight-line basis over the respective estimated useful lives of the assets.

The carrying values of intangible assets are as follows (in thousands):
 
 
 

 
September 30, 2012
 
December 31, 2011
 
Estimated Lives
 
Cost
 
Accumulated Amortization
 
Net Book Value
 
Accumulated Amortization
 
Net Book Value
Existing technology
7 years
 
$
1,910

 
$
(568
)
 
$
1,342

 
$
(364
)
 
$
1,546

Patent license
14 years
 
1,339

 
(199
)
 
1,140

 
(127
)
 
1,212

Non-competition agreements and other
3 years
 
171

 
(79
)
 
92

 
(49
)
 
122

     Total intangibles subject to amortization
 
 
$
3,420

 
$
(846
)
 
2,574

 
$
(540
)
 
2,880

Intangible assets not subject to amortization
 
 
 
 
 
 
295

 
 
 
295

     Total intangible assets, net
 
 
 
 
 
 
$
2,869

 
 
 
$
3,175



Intangibles amortization expense was $103,000 and $101,000 for the three months ended September 30, 2012 and 2011, respectively, and $306,000 and $304,000 for the nine months ended September 30, 2012 and 2011, respectively.

As of September 30, 2012, the Company expects amortization expense in future periods to be as follows (in thousands):
Remainder of 2012
$
106

2013
414

2014
388

2015
381

2016
369

2017 and thereafter
916

Total expected future amortization expense
$
2,574



Goodwill, which is not subject to amortization, totaled $317,000 as of September 30, 2012 and December 31, 2011. The Company performed its annual goodwill impairment test for the year ended December 31, 2011 using a qualitative assessment and concluded there was no impairment of goodwill as the qualitative assessment performed did not indicate that it is more likely than not that the single reporting unit fair value is less than its carrying value.