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License and Collaboration Agreement - Additional Information (Details) - USD ($)		3 Months Ended		6 Months Ended
	Mar. 06, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration revenue		$ 0	$ 0	$ 20,000,000	$ 0
Accounts receivable		293,000		$ 293,000		$ 0
Tenacia License Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Agreement description				On March 6, 2026, the Company entered into the Tenacia License Agreement. The arrangement provides Tenacia with the exclusive rights to develop and commercialize the Company’s product candidate, RAP-219, in mainland China, Hong Kong, Macau and Taiwan (each, a “Market” and collectively, the “Tenacia Territory”). The Company retains exclusive rights to RAP-219 outside the Tenacia Territory.
Upfront payment received	$ 20,000,000
Upfront payment	20,000,000
Transaction price of performance obligation	20,000,000
Collaboration revenue				$ 20,000,000
Deferred revenue		0		0
Incremental costs for financial advisory fees		2,000,000		2,000,000
Contract assets related to costs to obtain contract with customer		$ 0		$ 0
Tenacia License Agreement \| Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Contingent sales based milestone payments and tiered royalty payments	$ 308,000,000