Quarterly report [Sections 13 or 15(d)]

Note 4 - Acquisitions (Details Textual)

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Note 4 - Acquisitions (Details Textual)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 08, 2025
USD ($)
shares
Jul. 07, 2025
shares
Apr. 30, 2025
USD ($)
shares
Jan. 31, 2025
shares
Sep. 30, 2025
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
$ / shares
Sep. 30, 2024
USD ($)
shares
Dec. 31, 2024
USD ($)
shares
Jul. 15, 2025
USD ($)
Jun. 15, 2025
USD ($)
Jun. 13, 2025
USD ($)
Aug. 31, 2024
USD ($)
May 04, 2023
Oct. 04, 2021
USD ($)
Contingent consideration         $ 0 $ (68,000) $ (14,000) $ (15,000)              
Stock Issued During Period, Shares, New Issues | shares       6,563         6,563            
Scenario, Plan [Member] | Series AAAA Junior Convertible Preferred Stock [Member]                              
Stock Issued During Period, Shares, Equity Exchange | shares   1,500,000                          
Scenario, Plan [Member] | Series AAAA Junior Convertible Preferred Stock [Member] | Khakshoor Stock Exchange Agreement [Member]                              
Stock Issued During Period, Shares, Equity Exchange | shares 711,361                            
Scenario, Plan [Member] | Series AAAA Junior Convertible Preferred Stock [Member] | Drozdov Stock Exchange Agreement [Member]                              
Stock Issued During Period, Shares, Equity Exchange | shares 711,361                            
Scenario, Plan [Member] | Series AAAA Junior Convertible Preferred Stock [Member] | Firepit Stock Exchange Agreement [Member]                              
Stock Issued During Period, Shares, Equity Exchange | shares 474,242                            
SuperBiz Note [Member]                              
Debt Instrument, Face Amount                         $ 1,800,000    
Debt Instrument, Interest Rate, Stated Percentage         20.00%   20.00%           8.50%    
Interest Expense, Debt         $ 36,000   $ 128,000                
Loss on Extinguishment of Liability                 $ (336,000)            
Drozdov Agreement [Member]                              
Debt Instrument, Face Amount                   $ 18,750 $ 18,750 $ 711,361      
Khakshoor Agreement [Member]                              
Debt Instrument, Face Amount                   18,750 18,750 711,361      
Firepit Agreement [Member]                              
Debt Instrument, Face Amount                   $ 12,500 $ 12,500 $ 474,242      
Melon Acquisition [Member]                              
Payment for Contingent Consideration Liability, Financing Activities             77,000 32,000              
Change in fair value [1]         0 (68,000) (14,000) (148,000)              
Contingent consideration         $ 0 0 $ 0 0              
Melon Acquisition [Member] | Second Earnout Period [Member]                              
Stock Issued During Period, Shares, Acquisitions | shares     894   2,105                    
Shares Issued, Price Per Share | $ / shares         $ 24.8   $ 24.8                
Stock Issued During Period, Value, Acquisitions     $ 8,000                        
Melon Acquisition [Member] | First Earnout Period [Member]                              
Stock Issued During Period, Shares, Acquisitions | shares     1,803                        
Payment for Contingent Consideration Liability, Financing Activities     $ 32,000                        
Melon Acquisition [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member]                              
Business Combination, Contingent Consideration, Liability, Measurement Input                           0.0404  
Melon Acquisition [Member] | Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member]                              
Business Combination, Contingent Consideration, Liability, Measurement Input                           0.0535  
Melon Acquisition [Member] | Measurement Input, Price Volatility [Member] | Minimum [Member]                              
Business Combination, Contingent Consideration, Liability, Measurement Input                           0.70  
Melon Acquisition [Member] | Measurement Input, Price Volatility [Member] | Maximum [Member]                              
Business Combination, Contingent Consideration, Liability, Measurement Input                           0.85  
Melon Acquisition [Member] | Measurement Input, Discount Rate [Member]                              
Business Combination, Contingent Consideration, Liability, Measurement Input                           0.30  
Melon, Inc. [Member] | First Earnout Period [Member]                              
Stock Issued During Period, Value, Acquisitions     $ 90,000                        
Superbiz Acquisition [Member]                              
Payment for Contingent Consideration Liability, Financing Activities           0   38,000              
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount                             $ 11,500,000
Change in fair value           0   9,000              
Contingent consideration           0   $ 142,000              
Stock Issued During Period, Shares, New Issues | shares               758              
Loss on Extinguishment of Liability $ (161,000)       $ (161,000) $ (336,000) $ (161,000) $ (336,000)              
[1] Reflected in the condensed statement of operations for the applicable period.