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Summary of significant accounting policies - Property, Plant and Equipment (Details)
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3 Months Ended |
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Mar. 31, 2014
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Minimum
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| Property, Plant and Equipment [Line Items] | |
| Useful life - years | 3 years |
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Maximum
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| Property, Plant and Equipment [Line Items] | |
| Useful life - years | 15 years |
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- Details
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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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