Geographic information - Major Customers (Details) - customer |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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| Major Customers | ||
| Number of customers | 1 | 1 |
| Revenues | Customer Concentration Risk | GlaxoSmithKline Intellectual Property Development Ltd | ||
| Major Customers | ||
| Concentration risk (as a percentage) | 100.00% | 100.00% |
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- Definition Number of customers. No definition available.
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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