v3.26.1
Note 3 - Investments (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Nov. 14, 2025
May 03, 2024
Jan. 03, 2024
Jun. 16, 2022
Jun. 10, 2022
Mar. 17, 2021
Mar. 30, 2012
Jul. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Debt and Equity Securities, Realized Gain (Loss)                 $ 11,663    
TangoMe, Inc. [Member]                      
Investment Owned, Shares Sold During Period, Shares     15,448                
Investment Owned, Shares Sold, Price Per Share     $ 2.89                
Proceeds from Sale of Equity Securities, FV-NI     $ 44,721                
Debt and Equity Securities, Realized Gain (Loss)     11,663                
Investment Owned, Return of Capital     $ 33,058                
Dividend Income, Operating $ 116,500 $ 75,687                  
TangoMe, Inc, Series A Preferred Stock [Member]                      
Investment Owned, at Fair Value                   $ 3,061,838 $ 4,303,369
Investment Owned, Increase (Decrease) in Fair Value                   1,241,118  
TangoMe, Inc, Series A Preferred Stock [Member] | Chief Executive Officer [Member]                      
Investment Purchased, Shares             468,121        
Investment Purchased, Price Per Share             $ 2.14        
Investment Purchased, Value             $ 1,000,000        
Common Shares of Buoy Health, Inc [Member]                      
Investment Purchased, Shares           11,233          
Investment Purchased, Price Per Share           $ 15.92   $ 15.85 $ 0.05    
Investment Owned, at Fair Value           $ 178,824       178,043 160,938
Investment Owned, Increase (Decrease) in Fair Value                 $ (177,481) $ 17,101 (17,882)
Preferred Stock in Aristotle [Member]                      
Investment Purchased, Shares       5,037 5,037            
Investment Purchased, Price Per Share       $ 19.85 $ 19.85            
Investment Purchased, Value       $ 100,000              
Investment Owned, at Fair Value         $ 100,000           $ 200,000
Preferred Stock in Aristotle [Member] | Chief Executive Officer [Member]                      
Investment Purchased, Shares         5,037            
Investment Purchased, Price Per Share         $ 19.85