Note I - Fair Value Measurements - Recurring Fair Value Measurements (Details) - Fair Value, Recurring [Member] - USD ($)	Dec. 31, 2022	Mar. 31, 2022	Mar. 31, 2021
Derivative liabilities	$ 159,120	$ 10,188,780
Total	159,120	(10,188,780)
Commodity futures – financial liabilities, net	(159,120)	(10,188,780)
Fair Value, Inputs, Level 1 [Member]
Derivative liabilities		10,188,780
Total	$ 159,120	(10,188,780)
Commodity futures – financial liabilities, net		$ (10,188,780)
Fair Value, Inputs, Level 2 [Member]
Derivative liabilities			$ (0)
Total			0
Commodity futures – financial liabilities, net			0
Fair Value, Inputs, Level 3 [Member]
Derivative liabilities			(0)
Total			0
Commodity futures – financial liabilities, net			$ 0