v3.26.1
Note 4 - Fair Value Measurements - Schedule of Fair Value Liabilities With Unobservable Inputs (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Warrant [Member]    
Balance $ 0 $ 0
Balance 0 0
Convertible Note Warrants [Member] | Warrant [Member]    
Balance 0 0
Balance 0 0
April 2025 Warrants [Member] | Warrant [Member]    
Balance 0 0
Balance 0 0
The 2024 Convertible Notes [Member]    
Balance 632 565
Movement in fair value 75 67
Convertible Preferred shares issued for debt   0
Gain on settlement of 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]    
Convertible Preferred shares issued for debt   0
The 2024 Convertible Notes [Member] | Conversion of Debt Into Series E Convertible Preferred Stock [Member]    
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)
Gain on settlement of 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]    
Convertible Preferred shares issued for debt   (5,755)
OID Notes [Member] | Conversion of Debt Into Series E Convertible Preferred Stock [Member]    
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)
Gain on settlement of 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]    
Convertible Preferred shares issued for debt   (5,755)
Total Notes [Member] | Conversion of Debt Into Series E Convertible Preferred Stock [Member]    
Convertible Preferred shares issued for debt   $ (519)