v3.26.1
Note 10 - Convertible and Non-convertible Promissory Notes - Convertible Notes (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2026
Mar. 31, 2026
The 2024 Convertible Notes [Member]    
Balance $ 632 $ 565
Movement in fair value 75 67
Convertible Preferred shares issued for debt   0
New notes issued in period 0  
FX movements 0  
Balance 707 632
The 2024 Convertible Notes [Member] | Conversion of Debt Into Series D Convertible Preferred Stock [Member]    
Series D Convertible Preferred shares issued for debt   0
Convertible Preferred shares issued for debt   0
The 2024 Convertible Notes [Member] | Conversion of Debt Into Series E Convertible Preferred Stock [Member]    
Series D Convertible Preferred shares issued for debt   0
Convertible Preferred shares issued for debt   0
OID Notes [Member]    
Balance 100 9,335
Movement in fair value 63 2,296
Convertible Preferred shares issued for debt   (5,257)
New notes issued in period 1,230  
FX movements (2)  
Balance 1,391 100
OID Notes [Member] | Conversion of Debt Into Series D Convertible Preferred Stock [Member]    
Series D Convertible Preferred shares issued for debt   (5,755)
Convertible Preferred shares issued for debt   (5,755)
OID Notes [Member] | Conversion of Debt Into Series E Convertible Preferred Stock [Member]    
Series D Convertible Preferred shares issued for debt   (519)
Convertible Preferred shares issued for debt   (519)
Total Notes [Member]    
Balance 732 9,900
Movement in fair value 138 2,363
Convertible Preferred shares issued for debt   (5,257)
New notes issued in period 1,230  
FX movements (2)  
Balance $ 2,098 732
Total Notes [Member] | Conversion of Debt Into Series D Convertible Preferred Stock [Member]    
Series D Convertible Preferred shares issued for debt   (5,755)
Convertible Preferred shares issued for debt   (5,755)
Total Notes [Member] | Conversion of Debt Into Series E Convertible Preferred Stock [Member]    
Series D Convertible Preferred shares issued for debt   (519)
Convertible Preferred shares issued for debt   $ (519)