v3.26.1
Note 22 - Related Party (Details Textual)
$ / shares in Units, € in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 03, 2026
USD ($)
shares
Sep. 30, 2025
$ / shares
shares
Sep. 05, 2025
May 20, 2025
USD ($)
shares
Apr. 24, 2025
shares
Apr. 21, 2025
USD ($)
shares
Apr. 14, 2025
USD ($)
shares
Mar. 21, 2025
shares
Jan. 01, 2025
USD ($)
Dec. 11, 2024
Oct. 11, 2024
Mar. 19, 2024
USD ($)
$ / shares
shares
Jan. 03, 2024
USD ($)
shares
May 15, 2021
USD ($)
Jan. 31, 2024
$ / shares
shares
Jul. 31, 2023
USD ($)
Sep. 30, 2025
USD ($)
$ / shares
shares
Sep. 30, 2025
USD ($)
$ / shares
shares
Dec. 30, 2025
shares
Dec. 29, 2025
shares
Apr. 25, 2025
shares
Dec. 31, 2024
shares
Sep. 30, 2024
Jan. 31, 2024
EUR (€)
Jan. 01, 2024
USD ($)
Jan. 01, 2024
EUR (€)
Stock Issued During Period, Value, New Issues | $                                 $ 0 $ 1,417,000                
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)             484,100                                      
Stock Issued During Period, Value, Restricted Stock Award, Gross | $             $ 3,872,800                                      
Common Stock, Shares Authorized (in shares)   600,000,000     300,000,000                       600,000,000 600,000,000 2,000,000,000 600,000,000 600,000,000 300,000,000        
Consulting Agreement, Initial Term (Year)                   3 years                                
Professional Consulting Agreement [Member]                                                    
Consulting Monthly Fee | $                           $ 16,000                        
Consulting Agreement, Initial Term (Year)                           5 years                        
Increase in Professional Fees Per Month | $                 $ 10,000                                  
Twenty Twenty Three Equity Incentive Plan [Member]                                                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Voting Rights, Percentage               91.00%                                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)   11,200           11,200                 11,200 11,200       11,200        
Share Based Compensation Arrangement By Share Based Payment Award, Number of Shares Available for Grant, Percentage of Shares Outstanding               15.00%                                    
Reverse Stock Split [Member]                                                    
Stockholders' Equity Note, Stock Split, Conversion Ratio     200               25                              
Minimum [Member] | Reverse Stock Split [Member]                                                    
Stockholders' Equity Note, Stock Split, Conversion Ratio               2                                    
Maximum [Member] | Reverse Stock Split [Member]                                                    
Stockholders' Equity Note, Stock Split, Conversion Ratio               500                                    
Chief Executive Officer [Member]                                                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Voting Rights, Percentage               91.00%                                    
Voting Shares, Percentage                                     99.90%   87.00%          
Clo [Member]                                                    
Stock Issued During Period, Shares, New Issues (in shares)             25,000                                      
Nicholas Parker [Member] | Forecast [Member]                                                    
Debt Instrument, Face Amount | $ $ 50,000                                                  
Director [Member] | Consulting Agreement [Member]                                                    
Consulting Monthly Fee | $                               $ 11,000                    
Consulting Agreement, Initial Term (Year)                               5 years                    
Increase in Professional Fees Per Month | $                               $ 8,090                    
Restricted Common Stock [Member]                                                    
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)           305,000                                        
Stock Issued During Period, Value, Restricted Stock Award, Gross | $           $ 1,830,000                                        
Restricted Common Stock [Member] | Chief Executive Officer [Member]                                                    
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)           75,000                                        
Restricted Common Stock [Member] | Clo [Member]                                                    
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)           25,000                                        
Series A Preferred Stock [Member]                                                    
Preferred Stock, Votes Per Share   10,000                             10,000 10,000                
Preferred Stock, Shares Designated, Increase (in shares)         50,000                                          
Series A Preferred Stock [Member] | Chief Executive Officer [Member]                                                    
Stock Issued During Period, Shares, New Issues (in shares)         50,000     10,000                                    
Preferred Stock, Shares Designated (in shares)               10,000                                    
Preferred Stock, Votes Per Share               10,000                                    
Conversion of Notes into Series C Convertible Preferred Stock [Member] | Nicholas Parker [Member] | Forecast [Member]                                                    
Debt Conversion, Converted Instrument, Shares Issued (in shares) 125                                                  
Debt Conversion, Converted Instrument, Amount | $ $ 62,500                                                  
Alternus Energy Group Plc [Member]                                                    
Shareholder Ownership, Percentage   15.00%                             15.00% 15.00%       48.00% 71.00%      
Convertible Notes Payable                                                 $ 938,000 € 850
Debt Instrument, Interest Rate, Stated Percentage                                                 10.00% 10.00%
Stock Issued During Period, Shares, New Issues (in shares)       40,000                           201,600                
Stock Issued During Period, Value, New Issues | $       $ 224,000                           $ 1,400,000                
Alternus Energy Group Plc [Member] | Restricted Common Stock [Member]                                                    
Convertible Notes Payable | €                                               € 8,000    
Stock Issued During Period, Shares, New Issues (in shares)                             1,553                      
Shares Issued, Price Per Share (in dollars per share) | $ / shares                             $ 6,150                      
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)           55,000                                        
Alternus Energy Group Plc [Member] | Conversion of Promissory Note into Common Stock [Member]                                                    
Debt Conversion, Original Debt, Amount | $                         $ 1,000,000                          
Debt Conversion, Converted Instrument, Shares Issued (in shares)                         264                          
Nordic Esg [Member]                                                    
Shareholder Ownership, Percentage   1.00%                             1.00% 1.00%       6.50% 9.70% 10.00%    
Clean Earth Acquisitions Sponsor [Member]                                                    
Shareholder Ownership, Percentage   1.00%                             1.00% 1.00%       5.00%        
Debt, Current | $                       $ 1,400,000                            
Clean Earth Acquisitions Sponsor [Member] | Restricted Common Stock [Member]                                                    
Stock Issued During Period, Shares, New Issues (in shares)                       45                            
Shares Issued, Price Per Share (in dollars per share) | $ / shares                       $ 2,350                            
Hover [Member]                                                    
Shareholder Ownership, Percentage   4.30%                             4.30% 4.30%                
Investment Owned, Balance, Shares (in shares)   21,150                             21,150 21,150                
Hover [Member] | EverOn Energy LLC [Member]                                                    
Stock Issued During Period, Shares, New Issues (in shares)   20,000                                                
Ownership Sold Percentage (in dollars per share) | $ / shares   $ 49                             $ 49 $ 49                
Four Current Independent Directors [Member] | Restricted Common Stock [Member]                                                    
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)           15,000