Represents the percentage of purchase obligation requirements for making compensatory payments.

No definition available.

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- Definition

Contract with customer liability milestone revenue recognized.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for cost directly related to generating license revenue. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark.

+ References

No definition available.

+ Details

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- Definition

Minimum percentage of annual requirements to purchase under inventory purchase commitments.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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- Details

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- Details

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License, Research and Collaboration Agreements - Supply Agreement - Additional Information (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Sep. 30, 2022	Oct. 31, 2022	Dec. 31, 2022	Dec. 31, 2020
Alkermes
Supply Agreement
Licensing royalties, awarded amount		$ 18.3
Alkermes License Agreement
Supply Agreement
Cost Of License Payable				$ 15.0
Biogen
Supply Agreement
Additional payments based on the successful achievement of future regulatory or sales milestones				$ 300.0
Supply agreement \| Alkermes
Supply Agreement
Licensing royalties, awarded amount		$ 18.3
Supply agreement \| Maximum \| Patheon Inc Second Manufacturing agreement
Supply Agreement
Purchase requirements threshold percentage	25.00%
Supply agreement \| Alkermes License Agreement \| Ampyra \| Alkermes
Supply Agreement
Minimum agreed percentage of annual requirements for purchase			75.00%
Supply agreement \| Alkermes License Agreement \| Maximum
Supply Agreement
Purchase requirements threshold percentage			100.00%