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Note 7 - Long-term Debt - Future Scheduled Principal Payments on Long-term Debt (Details) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Last nine months of 2024 $ 21,000  
2025 26,000  
2026 28,000  
2027 29,000  
2028 30,000  
After 2028 27,254,000  
Total $ 27,388,264 $ 27,394,417