v3.25.2
Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
 6 Months Ended
Sep. 01, 2015
Jun. 30, 2025
Dec. 31, 2024
Common Stock, Shares, Outstanding (in shares)   2,199,308  
Basis of Accounting, Liquidation [Member]      
Net Assets   $ 32,608,865 $ 30,596,313
Liquidation Basis of Accounting, Common Stock Per Share, Net (in dollars per share)   $ 14.83 $ 13.91
Common Stock, Shares, Outstanding (in shares)   2,199,308  
The Corporation [Member]      
Maximum Value of Asset to Effect Dissolution $ 1,000,000 $ 1,000,000