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Business and summary of significant accounting policies (Property and equipment) (Details)
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12 Months Ended |
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Dec. 31, 2014
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| Computer and equipment [Member] | Minimum [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life of property and equipment | 5 years |
| Computer and equipment [Member] | Maximum [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life of property and equipment | 7 years |
| Furniture and fixtures [Member] | Minimum [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life of property and equipment | 5 years |
| Furniture and fixtures [Member] | Maximum [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life of property and equipment | 7 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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- Details
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- Details
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