v3.26.1
Note 4 - Fair Value Measurements - Schedule of Fair Value Liabilities With Unobservable Inputs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2025
Warrant [Member]        
Balance $ 591   $ 811 $ 811
Movement in fair value 677     (973)
New convertible notes issued at fair value       753
Balance 1,268 $ 591   591
Convertible Note Warrants [Member] | Warrant [Member]        
Balance 0   811 811
Movement in fair value 875     (811)
New convertible notes issued at fair value       0
Balance 875 0   0
April 2025 Warrants [Member] | Warrant [Member]        
Balance 591   0 0
Movement in fair value (198)     (162)
New convertible notes issued at fair value       753
Balance 393 591   591
Convertible Notes, April 2024 [Member]        
Balance   327 356 356
Conversions in period     0  
Movement in fair value     (29)  
Balance     327  
Convertible Notes, October 2024 [Member]        
Balance   123 1,346 1,346
Conversions in period     (2,058)  
Movement in fair value     835  
Balance     123  
Convertible Note [Member]        
Balance 1,601 450 1,702 1,702
Conversions in period (62) (52) (2,058)  
Movement in fair value 8 887 806  
Reclass of accrued interest to convertible note 0 316    
Loss from extinguishment on July 1, 2025 0      
New convertible notes issued at fair value 0      
Balance 1,547 1,601 450 1,601
OID Notes [Member]        
Balance 0 0 0 0
Conversions in period 0 0 0  
Movement in fair value 1,368 0 0  
Reclass of accrued interest to convertible note 1,975 0    
Loss from extinguishment on July 1, 2025 3,404      
New convertible notes issued at fair value 519      
Balance 7,265 0 0 0
Total Notes [Member]        
Balance 1,601 450 1,702 1,702
Conversions in period (62) (52) (2,058)  
Movement in fair value 1,376 887 806  
Reclass of accrued interest to convertible note 1,975 316    
Loss from extinguishment on July 1, 2025 3,404      
New convertible notes issued at fair value 519      
Balance $ 8,813 $ 1,601 $ 450 $ 1,601