Annual report [Section 13 and 15(d), not S-K Item 405]

Schedule of Accounts Payable (Details)

v3.25.4
Schedule of Accounts Payable (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Total accounts payable $ 748,000 $ 3,853,000  
Cytovance Biologics Inc [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Accounts payable $ 25,000 $ 1,183,000 $ 3,515,000
Accounts payable interest rate 3.00% 31.00%  
University of Minnesota [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Accounts payable $ 500,000 $ 712,000  
Accounts payable interest rate 67.00% 18.00%  
Legal Services Firm [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Accounts payable $ 1,505,000  
Accounts payable interest rate 0.00% 39.00%  
Other Accounts Payable [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Accounts payable interest rate 30.00% 12.00%  
Other accounts payable $ 223,000 $ 453,000