Collaborative Arrangement, Rights and Obligations, Milestone Payment

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- Definition

Collaborative Arrangement, Rights and Obligations, Payments as Credits to Accounts Payable, Percent

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- Definition

Collaborative Arrangement, Rights and Obligations, Quarterly Sales Payments, Percent

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- Definition

Research And Development Arrangement, Contract To Perform For Others, Upon Completion, Sales Payment Period

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- Definition

Collaborative Arrangement, Rights and Obligations, Upfront Payment

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- Definition

Temporary Equity, Stock Issued During Period, Shares, New Issues

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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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.

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- Details

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- Details

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Commitment and Contingencies (Details) $ in Thousands	1 Months Ended		9 Months Ended	12 Months Ended
Commitment and Contingencies (Details) $ in Thousands	Mar. 31, 2020 USD ($)	Nov. 30, 2015 USD ($) shares	Dec. 31, 2015 shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Rent expense				$ 10	$ 44
Redeemable Common Stock
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Temporary equity new shares issued (in shares) \| shares			16,666
Drexel University \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Percentage of payments as to credits accounts payable		0.50
Drexel University \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement \| Minimum
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Milestone payment		$ 10
Drexel University \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement \| Maximum
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Milestone payment		$ 200
Drexel University \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement \| Redeemable Common Stock
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Temporary equity new shares issued (in shares) \| shares		16,666
Tyligand \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Maximum obligation amount	$ 800
Quarterly sales payment due upon completion, percentage	1.00%
Quarterly sales payment due upon completion, period of payment	15 years
Scale-up, 100 kilograms of GMP-grade compound \| Tyligand \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Milestone payment	$ 2,000
Scale-up, 300 kilograms of GMP-grade compound \| Tyligand \| Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Milestone payment	$ 3,000