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Note I - Fair Value Measurements (Tables)

3 Months Ended

Jun. 30, 2021

Notes Tables

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

		*Quoted Prices*
		*in Active*				*Significant*
		*Markets for*				*Other*				*Significant*
		*Identical*				*Observable*				*Unobservable*
		*Assets*				*Inputs*				*Inputs*
		*(Level 1)*				*(Level 2)*				*(Level 3)*				*Total*
Commodity futures – financial liabilities, net		$	(26,967,380	)		$	—			$	—			$	(26,967,380	)
Total		$	(26,967,380	)		$	—			$	—			$	(26,967,380	)

		*Quoted Prices*
		*in Active*				*Significant*
		*Markets for*				*Other*				*Significant*
		*Identical*				*Observable*				*Unobservable*
		*Assets*				*Inputs*				*Inputs*
		*(Level 1)*				*(Level 2)*				*(Level 3)*				*Total*
Commodity futures – financial liabilities, net		$	(7,407,400	)		$	—			$	—			$	(7,407,400	)
Total		$	(7,407,400	)		$	—			$	—			$	(7,407,400	)