v3.25.2
Note 3 - Significant Transactions (Details Textual)
$ / shares in Thousands
Apr. 21, 2025
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
shares
Apr. 20, 2025
ACMAT Corporation [Member]      
Investment Owned, Cost | $   $ 12,500,000  
Investment Owned, Balance, Shares (in shares)   2,899,876  
ACMAT Corporation [Member]      
Ownership Percentage 39.10%    
Assignment and Contribution Agreement [Member]      
Stock Issued During Period, Shares, New Issues (in shares) 2,899,876    
Assignment and Contribution Agreement [Member] | ACMAT Corporation [Member]      
Minority Interest, Voting Power 10.40% 10.40%  
ACMAT Common Stock [Member] | ACMAT Corporation [Member]      
Ownership Percentage   73.00%  
ACMAT Common Stock [Member] | Assignment and Contribution Agreement [Member]      
Stock Issued During Period, Shares, New Issues (in shares) 10,203    
Common Stock, No Par Value (in dollars per share) | $ / shares $ 0    
Vote Per Share 1    
ACMAT Class A Stock [Member] | ACMAT Corporation [Member]      
Ownership Percentage   34.70%  
ACMAT Class A Stock [Member] | Assignment and Contribution Agreement [Member]      
Stock Issued During Period, Shares, New Issues (in shares) 291,656    
Vote Per Share 10    
Management Advisory Services [Member] | HP Risk Solutions, LLC [Member]      
Related Party Transaction, Amounts of Transaction | $ $ 6,000,000    
Revenue from Contract with Customer, Term (Year) 3 years    
HG Holdings [Member] | Solas Capital Management, LLC [Member]      
Ownership Percentage 14.40%   41.40%
Repurchase Agreement [Member]      
Stock Repurchased During Period, Shares (in shares) 402,322    
Stock Repurchased During Period, Value | $ $ 3,138,112