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Other Intangible Assets, Other than Goodwill | 12 Months Ended
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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.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44, 45, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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