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Asset acquisition - Narrative (Details) (USD $)
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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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| Property, Plant and Equipment [Line Items] | ||
| Payments for Purchase of Other Assets | $ 497,800 | |
| Intangible Assets, Net (Excluding Goodwill), Total | 240,000 | |
| Finite-Lived Intangible Asset, Useful Life | 15 years | |
| Goodwill | 40,870 | |
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Minimum
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| Property, Plant and Equipment [Line Items] | ||
| Useful life | 3 years | 3 years |
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Maximum
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| Property, Plant and Equipment [Line Items] | ||
| Useful life | 15 years | 7 years |
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Machinery and Equipment
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| Property, Plant and Equipment [Line Items] | ||
| Payments for Purchase of Other Assets | $ 199,530 | |
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Machinery and Equipment | Minimum
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| Property, Plant and Equipment [Line Items] | ||
| Useful life | 5 years | 5 years |
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Machinery and Equipment | Maximum
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| Property, Plant and Equipment [Line Items] | ||
| Useful life | 8 years 6 months | 7 years |
| X | ||||||||||
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- Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash paid to purchase other assets as part of operating activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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