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 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Cash and cash equivalents presented in continuing current assets $ 237 $ 865 $ 243 $ 1,462
Cash of discontinued operations included in assets classified as held for sale 223   53  
Valuation allowance / impairment recognized on classification as held for sale (519) 0    
Total cash and cash equivalents including discontinued operations cash 460   296  
Cash of discontinued operations, beginning of period 53      
Cash of discontinued operations, end of period 223   53  
Loss from discontinued operations, net of tax (1,013) (1,498)    
Sono Motors GmbH [Member]        
Disposal Group, Including Discontinued Operation, Right-of-Use Assets 924   673  
Lease liabilities 652   673  
Revenue 174 31    
Net cash provided by (used in) operating activities of discontinued operations 170 (806)    
Other disposal-group assets 621   496  
Other disposal-group liabilities 377   310  
Cost of revenue / cost of sales (128) (24)    
Effect of exchange-rate changes on cash of discontinued operations 0 (21)    
Cash of discontinued operations included in assets classified as held for sale 223 530 53 $ 1,357
Valuation allowance / impairment recognized on classification as held for sale (519) 0 0  
Total liabilities of discontinued operation classified as held for sale 1,029   983  
Gross profit 46 7    
Net increase (decrease) in cash of discontinued operations 170 (827)    
Total assets of discontinued operations classified as held for sale 1,026   1,169  
Selling and distribution expenses (113) (271)    
Cash of discontinued operations, beginning of period 53 1,357 1,357  
General and administrative expenses (242) (706)    
Cash of discontinued operations, end of period 223 530 $ 53  
Research and development expenses (258) (529)    
Depreciation and amortization included in discontinued operations 9 8    
Other operating income, net and rounding 77 1    
Loss from operations of discontinued operations (490) (1,498)    
Foreign currency loss, net (4) 0    
Loss from discontinued operations before income taxes (1,013) (1,498)    
Income tax expense 0 0    
Loss from discontinued operations, net of tax $ (1,013) $ (1,498)