Summary of Significant Accounting Policies - Revenue from contract with customers (Details) |
1 Months Ended | 3 Months Ended | 47 Months Ended | |||
|---|---|---|---|---|---|---|
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Sep. 30, 2017
USD ($)
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Jun. 30, 2014
USD ($)
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Mar. 31, 2018
USD ($)
contract
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Mar. 31, 2018
USD ($)
|
Mar. 31, 2017
USD ($)
|
Mar. 31, 2018
USD ($)
|
|
| Collaboration and License Agreement | ||||||
| Option exercise fee | $ 8,196,000 | $ 8,196,000 | $ 2,857,000 | |||
| GlaxoSmithKline Intellectual Property Development Ltd | Collaboration and License Agreement | ||||||
| Collaboration and License Agreement | ||||||
| Number of contracts with customers | contract | 1 | |||||
| Upfront payment received | $ 42,123,000 | |||||
| Amount of development milestone achieved | $ 53,433,000 | |||||
| Estimate of variable consideration | $ 20,039,000 | |||||
| License exercise fee, expected to be received | $ 14,032,000 | |||||
| Licenses | GlaxoSmithKline Intellectual Property Development Ltd | Collaboration and License Agreement | ||||||
| Collaboration and License Agreement | ||||||
| Option exercise fee | $ 26,610,000 | |||||
| X | ||||||||||
- Definition Represents cash received upon achievement of development milestones. No definition available.
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| X | ||||||||||
- Definition Represents the estimated variable consideration entitled upon achievement of development milestones. No definition available.
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| X | ||||||||||
- Definition Represents the total number of contracts with customers. No definition available.
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- Definition Amount, receivable from customer towards satisfaction of performance obligation by transferring promised good or services. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Cash received from licensees for license fees during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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