v3.25.4
Grant Revenue - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 01, 2024
Sep. 19, 2022
Dec. 31, 2025
Dec. 31, 2024
Oct. 04, 2024
Disaggregation of Revenue [Line Items]          
Revenue recognized     $ 5,213,000 $ 5,824,000  
CPRIT Contract [Member]          
Disaggregation of Revenue [Line Items]          
Grant funding term   3 years      
CPRIT grant funding term, description     The CPRIT Grant is subject to customary CPRIT funding conditions, including, but not limited to, a matching fund requirement (one dollar for every two dollars awarded by CPRIT), revenue sharing obligations upon commercialization of rhenium (186Re) obisbemeda based on specific dollar thresholds and tiered low single digit royalty rates until CPRIT receives the aggregate amount of 400% of the proceeds awarded under the CPRIT Grant, and certain reporting requirements.    
Contract effective date   Aug. 31, 2022      
Contract termination date   Aug. 28, 2026      
Percentage of aggregate amount of proceeds awarded under CPRIT grant   400.00%      
Percentage of grant proceeds with interest not exceed annually   5.00%      
CPRIT Contract [Member] | Grant [Member]          
Disaggregation of Revenue [Line Items]          
Revenue recognized     $ 5,200,000 5,800,000  
Grant revenue receivable     300,000 $ 600,000  
Congressionally Directed Medical Research Programs [Member]          
Disaggregation of Revenue [Line Items]          
Amount to be received as award for research and development $ 3,000,000        
Department of Defense Award [Member]          
Disaggregation of Revenue [Line Items]          
Research and development award in period 3 years        
Grant revenue     $ 0    
First payment received         $ 900,000