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Note 7 - Debt (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Jun. 09, 2023
Apr. 08, 2021
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Interest Expense, Debt     $ 100 $ 200  
Interest Costs Capitalized     100 $ 0  
Long-Term Debt     $ 9,103   $ 9,429
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   Prime Rate [Member]      
Insurance Notes [Member]          
Debt Instrument, Interest Rate, Stated Percentage     7.95%    
Long-Term Debt     $ 1,100    
Long-Term Debt, Gross     500   $ 800
Cadence Bank [Member]          
Line of Credit Facility, Maximum Borrowing Capacity $ 10,000        
Line of Credit Facility, Increase (Decrease), Net $ 5,000        
Line of Credit Facility, Commitment Fee Percentage 0.50%        
Banking Regulation, Mortgage Banking, Net Worth, Minimum     $ 50,000    
Minimum Net Worth Required For Compliance Increase Percentage     50.00%    
Debt Instrument, Covenant, Debt Service Coverage Ratio, Maximum     1.2    
Ameri State Bank [Member] | Loan Agreement [Member]          
Line of Credit Facility, Maximum Borrowing Capacity   $ 10,000      
Debt Instrument, Covenant, Debt Service Coverage Ratio, Maximum     1.2    
Debt Instrument, Interest Rate, Stated Percentage   5.75%      
Debt Instrument, Basis Spread on Variable Rate   2.50%      
Long-Term Line of Credit     $ 9,000    
Debt Instrument, Covenant, Deb-to-Net-Worth Ratio     9.1