Summary of Significant Accounting Policies - Research and Development Expenditure (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Jun. 30, 2015 |
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| Summary of Significant Accounting Policies | ||||
| Acquired in-process R&D expensed | $ 2,500 | $ 1,003 | $ 3,000 | $ 0 |
| Grant income | 905 | 150 | 414 | 613 |
| Reimbursement of Research and Development Tax and Expenditure Credit | $ 1,506 | $ 10,576 | $ 6,891 | $ 1,497 |
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- Definition Represents the amount of reimbursement of grants. No definition available.
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- Definition Reimbursement Of research and development tax and expenditure credit. No definition available.
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- References No definition available.
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- Definition The amount of the write-off for research and development assets that were acquired in a transaction other than a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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