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Subsequent Event	9 Months Ended
	Sep. 30, 2025
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On November 6, 2025, the Company sold to TPC Investments Royalty LLC, a Delaware limited liability company managed by Oberland Capital Management, LLC ("Oberland"), its interest in Curis Royalty LLC, a wholly owned subsidiary. The sale includes the Erivedge intellectual property, other assets associated with Erivedge and the collaboration agreement with Genentech, in exchange for upfront consideration of $2.5 million and a release of the Company’s liability related to sale of future royalties to Oberland. As a result of executing the sale of the wholly owned subsidiary to Oberland, in the fourth quarter of 2025, the Company will recognize a gain within its statement of operations and comprehensive loss and the liability related to sale of future royalties will be extinguished. Following the sale, the Company will no longer be entitled to revenues under the collaboration agreement with Genentech.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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