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Intangible assets other than goodwill
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9 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2013
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Dec. 31, 2012
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| Intangible Assets, Net (Excluding Goodwill) [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intangible assets | Note 10 - Intangible assets other than goodwill
As of September 30, 2013 the Company has the following amounts related to intangible assets:
The aggregate amortization expense of the Company's intangible assets for the nine months ended September 30, 2013 and 2012 was $24,247 and $15,457, respectively. Estimated future annual amortization expense related to the intangible assets is as follows:
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Note 5 Intangible assets
The Company capitalized $17,314 and $22,036 of product certification costs during the years ended December 31, 2012 and 2011, respectively. Also included in intangible assets are the costs incurred by the Company to acquire certain patents. These patents, once in service, will be amortized on a straight-line basis over the estimated economic life of the associated products, which range from approximately 7 to 10 years. The Company capitalized $146,981 and $16,712 of patent-related costs during the years ended December 31, 2012 and 2011, respectively. Intangible assets at December 31, 2012 and 2011 consist of the following:
Amortization expense was $33,896, $23,992, and $11,309 during the years ended December 31, 2012, 2011, and 2010, respectively. Estimated amortization expense at December 31 for each of the five succeeding years is as follows:
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