Note 5 - Derivative Instruments and Hedging Activities - Offsetting of Financial Assets and Liabilities and Derivative Assets and Liabilities (Details) - USD ($)		Jun. 30, 2023	Dec. 31, 2022
Derivative liabilities		$ 37,562,733	$ 29,433,069
Soybean Futures Contracts [Member]
Gross amount of recognized assets		818,350	2,520,370
Gross amount offset, assets		0	0
Derivative asset		818,350	2,520,370
Available for offset, assets		685,954	0
Collateral, due to broker, assets		0	0
Net amount, assets		132,396	2,520,370
Gross amount of recognized liabilities		685,954
Gross amount offset, liabilities		0
Derivative liabilities		685,954
Futures contracts available for offset, liabilities		685,954
Collateral, due from broker, liabilities	[1]	0
Net amount, liabilities		0
Corn Futures Contracts [Member]
Gross amount of recognized assets			1,585,798
Gross amount offset, assets			0
Derivative asset			1,585,798
Available for offset, assets			1,585,798
Collateral, due to broker, assets			0
Net amount, assets			0
Gross amount of recognized liabilities		13,427,593	2,967,103
Gross amount offset, liabilities		0	0
Derivative liabilities		13,427,593	2,967,103
Futures contracts available for offset, liabilities		0	1,585,798
Collateral, due from broker, liabilities	[1]	13,427,593	1,381,305
Net amount, liabilities		0	0
Sugar Futures Contracts [Member]
Gross amount of recognized assets		921,870	911,329
Gross amount offset, assets		0	0
Derivative asset		921,870	911,329
Available for offset, assets		97,357	85,128
Collateral, due to broker, assets		0	0
Net amount, assets		824,513	826,201
Gross amount of recognized liabilities		97,357	85,128
Gross amount offset, liabilities		0	0
Derivative liabilities		97,357	85,128
Futures contracts available for offset, liabilities		97,357	85,128
Collateral, due from broker, liabilities	[1]	0	0
Net amount, liabilities		0	0
Bitcoin Futures Contracts [Member]
Gross amount of recognized assets		126,672	29,152
Gross amount offset, assets		0	0
Derivative asset		126,672	29,152
Available for offset, assets		0	0
Collateral, due to broker, assets		0	0
Net amount, assets		126,672	29,152
Wheat Futures Contracts [Member]
Gross amount of recognized assets			3,160,732
Gross amount offset, assets			0
Derivative asset			3,160,732
Available for offset, assets			3,160,732
Collateral, due to broker, assets			0
Net amount, assets			0
Gross amount of recognized liabilities		23,351,829	26,380,838
Gross amount offset, liabilities		0	0
Derivative liabilities		23,351,829	26,380,838
Futures contracts available for offset, liabilities		0	3,160,732
Collateral, due from broker, liabilities	[1]	23,351,829	23,220,106
Net amount, liabilities		$ 0	$ 0

[1] The amount of collateral presented in Collateral, Due from Broker, is limited to the liability for the futures contracts and accordingly does not include the excess collateral pledged.