XML 61 R54.htm IDEA: XBRL DOCUMENT v3.25.1
Segment - Summary of Reconciles Reported Revenues to Net (Loss) Income under Significant Expense Principle (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Research and development expenses [1] $ 19,572 $ 12,504  
General and administrative expenses [2] 7,536 4,590  
Loss from operations (27,108) (17,094)  
Interest income 3,045 1,815  
Change in fair value of preferred stock tranche right liability   (7,390)  
Net loss (24,063) (22,669) $ (78,300)
RAP-219 Program External Expenses      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Research and development expenses 7,963 3,901  
Preclinical Programs External Expenses      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Research and development expenses 3,246 3,934  
R & D Personnel-Related Costs (Including Stock-based Compensation)      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Research and development expenses 6,786 4,017  
Other Costs      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Research and development expenses 1,577 652  
G & A Personnel Related Costs (Including Stock-based Compensation)      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
General and administrative expenses 4,959 2,397  
Professional and Consulting Costs      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
General and administrative expenses 1,664 1,865  
Facility Related and Other      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
General and administrative expenses $ 913 $ 328  
[1] Includes related party amounts of zero and less than $0.1 million for the three months ended March 31, 2025 and 2024, respectively (see Note 10).
[2] Includes related party amounts of zero and $0.1 million for the three months ended March 31, 2025 and 2024, respectively (see Note 10).