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

Income Taxes (Details Narrative)

v3.25.4
Income Taxes (Details Narrative) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Effective Income Tax Rate Reconciliation [Line Items]    
Uncertain tax positions $ 0.0 $ 0.0
Unrecognized tax benefits 0.0 0.0
Interest and penalties 0.0 0.0
UNITED KINGDOM    
Effective Income Tax Rate Reconciliation [Line Items]    
Net operating loss carryforwards 86.8 89.6
UNITED STATES    
Effective Income Tax Rate Reconciliation [Line Items]    
Net operating loss carryforwards 38.7 35.8
State and Local Jurisdiction [Member]    
Effective Income Tax Rate Reconciliation [Line Items]    
Net operating loss carryforwards 43.7 39.1
GERMANY    
Effective Income Tax Rate Reconciliation [Line Items]    
Net operating loss carryforwards 2.7 2.2
SWITZERLAND    
Effective Income Tax Rate Reconciliation [Line Items]    
Net operating loss carryforwards $ 0.3 $ 0.2
Operating loss carryforwards expiration date 2026