v3.26.3
Business Segment Information (Details Narrative)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Segment
Jun. 30, 2025
USD ($)
Segment Reporting [Line Items]        
Number of operating segments | Segment     1  
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense        
Segment Reporting [Line Items]        
Payroll expenses $ 0.0 $ 0.2 $ 0.1 $ 0.4
Operating Segments [Member]        
Segment Reporting [Line Items]        
Third-party contract research organization expenses   0.6   1.5
Operating Segments [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Segment Reporting [Line Items]        
Payroll expenses $ 0.2 $ 0.1 $ 0.5 $ 0.3