XML 82 R61.htm IDEA: XBRL DOCUMENT v3.24.3
Note 8 - Fair Value - Schedule of Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)
Sep. 30, 2024
Sep. 30, 2023
Total Assets fair value $ 2,062,551 $ 4,617,455
Natural gas purchases 761,020 1,022,662
Total Liabilities fair value 761,020 1,022,662
Fair Value, Inputs, Level 1 [Member]    
Total Assets fair value 0 0
Natural gas purchases 0 0
Total Liabilities fair value 0 0
Interest rate swaps, liabilities   0
Fair Value, Inputs, Level 2 [Member]    
Total Assets fair value 2,062,551 4,617,455
Natural gas purchases 761,020 1,022,662
Total Liabilities fair value 761,020 1,022,662
Fair Value, Inputs, Level 3 [Member]    
Total Assets fair value 0 0
Natural gas purchases 0 0
Total Liabilities fair value 0 0
Interest Rate Swap [Member]    
Interest rate swaps 2,062,551  
Interest rate swaps, liabilities   4,617,455
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member]    
Interest rate swaps 0  
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]    
Interest rate swaps 2,062,551  
Interest rate swaps, liabilities   4,617,455
Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member]    
Interest rate swaps $ 0  
Interest rate swaps, liabilities   $ 0