v3.26.1
Note 4 - Discontinued Operations and Assets and Liabilities Held for Sale - Schedule of Discontinued Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Loss of the disposal group, including operating results, held-for-sale measurement and translation $ (1,101) $ 0 $ (1,101) $ 0    
Cash of discontinued operations     38      
Cash and cash equivalents presented in continuing current assets 166 144 166 144 $ 205 $ 100
Other disposal-group liabilities 0   0   270  
Cash of discontinued operations included in assets classified as held for sale 0   0   38  
Total cash and cash equivalents including discontinued operations cash 166   166   243  
Cash of discontinued operations 0   0      
Sono Motors GmbH [Member]            
Right-of-use assets 0   0   673  
Other disposal-group liabilities 0   0   673  
Loss of the disposal group, including operating results, held-for-sale measurement and translation (345) (1,246) (1,356) (2,731)    
Cash of discontinued operations 205   38 1,301    
Inventories 0   0   238  
Loss from discontinued operations, net of tax (345) (1,246) (1,356) (2,731)    
Cash of discontinued operations included in assets classified as held for sale 0 256 0 256 38 $ 1,301
Cash funding provided by the parent 0   708 1,666    
Other disposal-group assets 0   0   496  
Total liabilities of discontinued operation classified as held for sale 0   0   943  
Total assets of discontinued operations classified as held for sale 0   0   $ 1,407  
Operating cash use of the disposal group, net (14)   (555) (2,711)    
Cash of the disposal group derecognized at deconsolidation, April 30, 2026 (191)   (191) 0    
Cash of discontinued operations $ 0 $ 256 $ 0 $ 256