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Other Intangible Assets, Other than Goodwill
 12 Months Ended
Dec. 31, 2012
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Intangible Assets Disclosure [Text Block]
Note 8.Other Intangible Assets, Other than Goodwill

 

  December 31, 2011 
  

Gross

carrying

amount

  

Weighted
average
amortization

period

  Accumulated
amortization		 
  (in thousands) 
Amortized intangible assets:            
Technology $6,339   7 years   4,495 
Customer relationship  8,100   7 years   5,689 
Patents  842   6 years   603 
Total $15,281       10,787 

 

  December 31, 2012 
  

Gross

carrying

amount

  

Weighted
average amortization

period

  Accumulated amortization 
  (in thousands) 
Amortized intangible assets:            
Technology $11,774   7 years   5,762 
Customer relationship  8,100   7 years   6,847 
Patents  842   6 years   686 
Total $20,716       13,295 
Unamortized intangible assets:            
In-process research and development $722         

 

Amortization expense for the years ended December 31, 2010, 2011 and 2012, was $2,198 thousand, $2,180 thousand and $2,508 thousand, respectively. Estimated amortization expense for the next five years is $2,909 thousand in 2013, $953 thousand in 2014, and $783 thousand in 2015, 2016 and 2017.