Research collaboration agreement with Allergan (Details) - RCA $ in Millions		6 Months Ended
Jul. 24, 2015 USD ($) Option	Jun. 30, 2021 USD ($)
Research collaboration agreement with Allergan
Agreement term	180 days
Number of options to acquire molecules \| Option	3
Payment of option exercise fee	$ 1.0
Milestone payment		$ 1.0

The number of days after a predetermined anniversary of the effective date of Research Collaboration Agreement and the date on which Allergan exercises the last of three options to acquire molecules from a pool of eligible compounds in both cases, subject to potential extension if an das required for the Company to transfer to Allergan information and technology related to compounds that were licensed by Allergan.

No definition available.

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