v3.26.1
Note 7 - Subsequent Events (Details Textual) - Office Spaced Leased in Karlavägen 100, Stockholm, Sweden [Member] - Subsequent Event [Member]
Apr. 22, 2026
USD ($)
ft²
Apr. 21, 2026
ft²
Area of Real Estate Property (Square Foot) | ft² 6,254 6,684
Minimum [Member]    
Operating Lease, Payments $ 280,000  
Maximum [Member]    
Operating Lease, Payments $ 310,000