v3.26.1
Note 6 - Secured Credit Facility (Details Textual)
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Aug. 06, 2026
Jul. 31, 2026
USD ($)
Jun. 21, 2026
USD ($)
Jun. 21, 2024
USD ($)
Jun. 20, 2024
USD ($)
Proceeds from Issuance of Long-Term Debt $ 20,000,000 $ 0          
Dividends, Contingency, Maximum Amount Authorized from Total Leverage Ratio $ 3,000,000            
Total Leverage Ratio 4.99            
Debt Service Coverage Ratio 1.99            
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio 2            
Subsequent Event [Member]              
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio     1.75        
Dividends Authorized at Three Million or Less [Member]              
Dividends, Contingency, Total Leverage Ratio Required, Unlimited Dividends 3.5            
Maximum [Member]              
Dividends, Contingency, Total Leverage Ratio Required 4.25            
Total Leverage Ratio 6            
IRSAs With Co-Bank [Member] | Interest Rate Swap [Member]              
Debt Instrument, Face Amount $ 43,750,000            
IRSAs With Co-Bank [Member] | Interest Rate Swap [Member] | Subsequent Event [Member]              
Debt Instrument, Face Amount       $ 43,750,000      
Delayed Draw Term Loan (DDTL) [Member] | CoBank Credit Facility [Member]              
Debt Instrument, Face Amount           $ 25,000,000  
CoBank [Member]              
Debt Instrument, Face Amount           180,000,000  
Long-Term Debt $ 102,700,000            
Debt, Weighted Average Interest Rate 7.27%            
CoBank [Member] | Revolving Credit Facility [Member]              
Debt Instrument, Face Amount $ 27,600,000            
Line of Credit Facility, Maximum Borrowing Capacity 30,000,000         30,000,000 $ 40,000,000
Long-Term Line of Credit $ 2,393,341            
Line of Credit Facility, Commitment Fee Percentage 0.50%            
CoBank [Member] | Term A1 Loan [Member]              
Debt Instrument, Basis Spread on Variable Rate 3.75%            
CoBank [Member] | Revolving Loan [Member]              
Debt Instrument, Basis Spread on Variable Rate 3.75%            
CoBank [Member] | Term A1 Loan [Member]              
Debt Instrument, Face Amount $ 125,000,000         $ 125,000,000  
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid $ 112,500,000            
CoBank [Member] | Term A1 Loan [Member] | Debt Instrument, Redemption, Period One [Member]              
Debt Instrument, Number of Quarterly Periodic Payments 8            
Debt Instrument, Periodic Payment, Principal $ 781,250            
CoBank [Member] | Term A1 Loan [Member] | Debt Instrument, Redemption, Period Two [Member]              
Debt Instrument, Number of Quarterly Periodic Payments 4            
Debt Instrument, Periodic Payment, Principal $ 1,562,500            
CoBank [Member] | Delayed Draw Term Loan (DDTL) [Member]              
Debt Instrument, Face Amount 25,000,000            
Proceeds from Issuance of Long-Term Debt 20,000,000            
Debt Instrument, Unused Borrowing Capacity, Amount         $ 5,000,000    
Long-Term Line of Credit $ 19,875,000            
Line of Credit Facility, Commitment Fee Percentage 0.50%            
CoBank [Member] | Delayed Draw Term Loan (DDTL) [Member] | Debt Instrument, Redemption, Period One [Member]              
Debt Instrument, Number of Quarterly Periodic Payments 8            
Debt Instrument, Principal, Periodic Payment, Percentage of Outstanding Loan Balance 0.625%            
CoBank [Member] | Delayed Draw Term Loan (DDTL) [Member] | Debt Instrument, Redemption, Period Two [Member]              
Debt Instrument, Number of Quarterly Periodic Payments 4            
Debt Instrument, Principal, Periodic Payment, Percentage of Outstanding Loan Balance 1.25%