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FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value of Derivative Instruments (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Unrealized gain (loss) on open commodity futures contracts $ 390,476 $ 1,115,220
Commodity Contracts | Futures    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Unrealized gain (loss) on open commodity futures contracts $ 390,476 $ 1,115,220