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- Definition

Milestone Payment To Be Paid By Company Upon Specified Development Milestone Achievement

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Milestone Payment To Be Paid By Company Upon Specified Development Milestone Achievement, Per Additional NDA Filing

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- Definition

Milestone Payment To Be Paid By Company Upon Specified Performance Milestone Achievement

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Milestone Payment To Be Paid By Company Upon Specified Performance Milestone Achievement, Period

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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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.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Number of new stock issued during the period.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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License and Other Agreements - Fox Chase Chemical Diversity Center Agreement (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	May 31, 2019	Mar. 31, 2020	Mar. 31, 2019
License and other agreements
Value of common stock issued		$ 282,833
Research and development		56,070	$ 41,003
FCCDC Agreement \| Collaborative arrangement
License and other agreements
Common stock issued (shares)	100,000
Value of common stock issued	$ 5,646
Development milestone payment to be paid	4,500
Development milestone payments to be paid per each additional NDA filing	1,000
Performance milestone payment to be paid	$ 1,500
Time period for payment of performance milestone	30 months
Research and development		$ 955	$ 0
FCCDC Agreement \| Collaborative arrangement \| Minimum
License and other agreements
Earned royalty payment per agreement (percent)	0.00%
FCCDC Agreement \| Collaborative arrangement \| Maximum
License and other agreements
Earned royalty payment per agreement (percent)	10.00%
FCCDC Warrants
License and other agreements
Number of securities called by warrants (shares)	100,000
Exercise price of warrants (in dollars per share)	$ 56.46