Summary of Significant Accounting Policies - Intangibles (Details) |
12 Months Ended |
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Dec. 31, 2017 | |
| Licensed IP rights - completed technology used in R&D | Weighted Average | |
| Intangibles | |
| Weighted-average amortization period (in years) | 7 years |
| Acquired software licenses | |
| Intangibles | |
| Estimated useful life (in years) | 3 years |
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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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- References No definition available.
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- Definition Remaining amortization period 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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