v3.26.1
Note 20 - Segment and Geographic Information - Schedule of Segment Information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Revenue $ 0 $ 3,742,000 $ 0 $ 9,891,000  
Net Loss (9,749,000) (5,070,000) (4,694,000) (18,486,000)  
Total for Europe – Continuing Operations 57,510,000   57,510,000   $ 7,727,000
Total for United States – Continuing Operations 57,510,000   57,510,000   7,727,000
Debt 7,908,000   7,908,000   26,480,000
Total liabilities 34,884,000   34,884,000   41,612,000
Long-Term Debt 7,908,000   7,908,000   26,480,000
Total liabilities 34,884,000   34,884,000   41,612,000
EBITDA (983,000) (594,000) (6,162,000) (2,216,000)  
Depreciation, amortization, and accretion 0 (52,000) (130,000) (175,000)  
Interest expense (399,000) (1,572,000) (3,839,000) (4,854,000)  
Gain on sale of subsidiaries 0 0 15,513,000 0  
Fair value movement of FPA asset (0) (0) (0) 483,000  
Fair value movement of convertible notes (1,377,000) 1,079,000 (2,263,000) 898,000  
Debt restructuring costs 0 0 (753,000) 0  
Fair value movement of warrant derivative liability (676,000) 0 (514,000) 0  
Gain on settlement of payables 426,000 0 426,000 0  
Loss on issuance of debt (19,000) 0 (19,000) (948,000)  
Extinguishment of Debt, Gain (Loss), Net of Tax (3,404) 0 (3,404) 0  
Loss on settlement of SAA with Hover (2,025,000) 0 (2,025,000) 0  
Loss on settlement of liabilities (151,000) 0 (151,000) 0  
Provision for loss from related party 1,139,000 (0) 1,139,000 (0)  
Income Taxes (0) (0) (0) (0)  
Europe [Member] | Continuing Operations [Member]          
Revenue 0 0 0 0  
Net Loss (335,000) (1,500,000) 14,026,000 (4,376,000)  
Other Assets 26,199,000   26,199,000   3,959,000
Total for Europe – Continuing Operations 26,199,000   26,199,000   3,959,000
Other Assets 26,199,000   26,199,000   3,959,000
Total for United States – Continuing Operations 26,199,000   26,199,000   3,959,000
Debt 1,173,000   1,173,000   19,807,000
Other Liabilities 867,000   867,000   1,200,000
Total liabilities 2,040,000   2,040,000   21,007,000
Long-Term Debt 1,173,000   1,173,000   19,807,000
Other Liabilities 867,000   867,000   1,200,000
Total liabilities 2,040,000   2,040,000   21,007,000
EBITDA (306,000) 1,849,000 (1,044,000) (1,026,000)  
Adjusted EBITDA (306,000) 1,849,000 (932,000) (1,026,000)  
Depreciation, amortization, and accretion 0 (27,000) 0 (27,000)  
Interest expense (29,000) (3,322,000) (555,000) (3,323,000)  
Gain on sale of subsidiaries 0 0 15,513,000 0  
Europe [Member] | Discontinued Operations [Member]          
Revenue 0 3,649,000 0 9,611,000  
Net Loss 0 (2,370,000) 0 (5,419,000)  
EBITDA 0 (663,000) 0 5,468,000  
Adjusted EBITDA 0 (663,000) 0 5,468,000  
Interest expense 0 (1,228,000) 0 (9,213,000)  
Income/(loss) from discontinued operations 0 156,000 0 (3,205,000)  
Gain on disposal of asset 0 (635,000) 0 1,531,000  
UNITED STATES          
Revenue 0 93,000 0 280,000  
Net Loss (9,414,000) (1,200,000) (18,720,000) (8,691,000)  
EBITDA (677,000) (1,780,000) (5,119,000) (6,658,000)  
Adjusted EBITDA (677,000) (1,780,000) (5,592,000) (6,658,000)  
Depreciation, amortization, and accretion 0 (49,000) (130,000) (148,000)  
Interest expense (371,000) (450,000) (3,285,000) (1,531,000)  
Fair value movement of FPA asset 0 0 0 (483,000)  
Fair value movement of convertible notes (1,377,000) 1,079,000 (2,263,000) 898,000  
Debt restructuring costs 0 0 (753,000) 0  
Fair value movement of warrant derivative liability (677,000) 0 (514,000) 0  
Gain on settlement of payables 426,000 0 426,000 0  
Loss on issuance of debt (19,000) 0 (19,000) 0  
Loss on settlement of SAA with Hover (2,025,000) (2,025,000)  
Loss on settlement of liabilities (151,000) (151,000) (948,000)  
Provision for loss from related party (1,139,000) 0 (1,139,000) 179,000  
Other expense 0 0 (232,000) 0  
Income Taxes 0 $ 0 0 $ 0  
UNITED STATES | Continuing Operations [Member]          
Other Assets 31,311,000   31,311,000   3,768,000
Total for Europe – Continuing Operations 31,311,000   31,311,000   3,768,000
Other Assets 31,311,000   31,311,000   3,768,000
Total for United States – Continuing Operations 31,311,000   31,311,000   3,768,000
Debt 12,830,000   12,830,000   9,598,000
Other Liabilities 20,015,000   20,015,000   11,007,000
Total liabilities 32,845,000   32,845,000   20,605,000
Long-Term Debt 12,830,000   12,830,000   9,598,000
Other Liabilities 20,015,000   20,015,000   11,007,000
Total liabilities $ 32,845,000   $ 32,845,000   $ 20,605,000