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RELATED PARTY TRANSACTIONS (Tables)
 3 Months Ended
Mar. 31, 2024
Related Party Transactions [Abstract]  
Related Party Transactions
Amounts due to related parties as of March 31, 2024, and December 31, 2023, were as follows:
March 31, 2024December 31, 2023
Coal Valley Sales, LLC$503,670 $433,195 
Panther Creek Operating LLC— 14,511 
Northampton Generating Fuel Supply Company, Inc.— 226,951 
Olympus Power LLC and other subsidiaries32,944 44,181 
William Spence83,333 — 
Due to related parties$619,947 $718,838