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Note 1 - Preparation of Interim Unaudited Financial Statements (Details Textual) - USD ($)
Sep. 01, 2021
Jul. 20, 2021
Mar. 31, 2022
Dec. 31, 2021
Apr. 20, 2021
Common Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.02 $ 0.02  
Payments to Acquire Businesses, Gross   $ 5,463,000      
HC Government Realty Trust, Inc [Member]          
Ownership Percentage     33.90%    
National Consumer Title Group LLC (NCTG) [Member] | Title Agency Ventures, LLC (TAV) [Member]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners   50.00%      
National Consumer Title Group LLC (NCTG) [Member] | Omega National Title Agency (Omega) [Member]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners   50.00%      
National Consumer Title Insurance Company (NCTIC) [Member]          
Business Acquisition, Percentage of Voting Interests Acquired   100.00%      
Payments to Acquire Businesses, Gross   $ 4,453,000      
National Consumer Title Group LLC (NCTG) [Member]          
Business Acquisition, Percentage of Voting Interests Acquired   100.00%      
Payments to Acquire Businesses, Gross   $ 1,010,000      
NCTIC and NCTG [Member]          
Payments to Acquire Businesses, Gross   5,463,000      
Business Combination, Purchase Price         $ 5,500,000
Business Combination, Acquisition Related Costs   $ 75,000      
Title Agency Ventures, LLC (TAV) [Member]          
Business Acquisition, Percentage of Voting Interests Acquired 50.00%        
Payments to Acquire Businesses, Gross $ 2,200,000