Collaboration and Research Arrangements (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||
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Dec. 31, 2018 | |||||||||||||||||||||||||||||||||||
| Collaborative Arrangement Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||
| Schedule of changes in deferred revenue |
The following table presents the changes in deferred revenue for the year ended December 31, 2018 (in thousands):
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| X | ||||||||||
- Definition Collaborative Arrangement Disclosure [Abstract]. No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of contract liabilities and changes in contract liabilities. No definition available.
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