XML 81 R57.htm IDEA: XBRL DOCUMENT v3.25.3
Note 5 - Other Investments - Investment in Unconsolidated Entity (Details) - USD ($)
 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Revenue $ 95,334,212 $ 84,641,232  
Other income, net 2,232,883 1,028,761  
Net income 13,279,970 11,760,896  
Current assets 23,319,191 25,072,301  
Property, plant and equipment, net 266,712,269 253,401,632  
Total assets 329,839,566 320,699,223  
Current liabilities 22,539,724 28,698,430  
Capital 113,552,790 108,136,775 $ 100,732,625
Total liabilities and equity 329,839,566 320,699,223  
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]      
Revenue 563,535,710 143,052,597  
Operating expenses (290,825,244) (78,822,028)  
AFUDC 6,133,873 343,922,690  
Other income, net 119,761 9,900,128  
Net income 278,964,100 418,053,387  
Current assets 173,283,635 263,966,727  
Construction work in progress 0 1,568,267  
Property, plant and equipment, net 9,418,928,665 9,522,815,742  
Other assets 1,789,092 13,732,299  
Total assets 9,594,001,392 9,802,083,035  
Current liabilities 40,148,017 168,645,751  
Noncurrent liabilities 1,084,072 68,965  
Capital 9,552,769,303 9,633,368,319  
Total liabilities and equity $ 9,594,001,392 $ 9,802,083,035