v3.26.1
Note 2 - Summary of Significant Accounting Policies - Key Financial Metrics (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Assets $ 42,732 $ 61,459
Liabilities 17,887 20,171
Revenue from Contract with Customer, Including Assessed Tax 28,236 49,336
Net Income (Loss) Attributable to Parent (27,003) (11,282)
SERBIA    
Revenue from Contract with Customer, Including Assessed Tax 6,349 6,951
SERBIA | Geographic Distribution, Foreign [Member]    
Assets 19,144 25,020
Liabilities 7,490 8,297
Revenue from Contract with Customer, Including Assessed Tax 11,399 11,843
Net Income (Loss) Attributable to Parent (7,018) (732)
UNITED STATES    
Revenue from Contract with Customer, Including Assessed Tax 16,837 37,493
UNITED STATES | Geographic Distribution, Domestic [Member]    
Assets 23,479 36,439
Liabilities 10,376 11,874
Revenue from Contract with Customer, Including Assessed Tax 16,837 37,493
Net Income (Loss) Attributable to Parent (19,954) (10,550)
UNITED ARAB EMIRATES | Geographic Distribution, Foreign [Member]    
Assets 109 0
Liabilities 21 0
UNITED ARAB EMIRATES | Geographic Distribution, Domestic [Member]    
Net Income (Loss) Attributable to Parent $ (31) $ 0