Note 5 - Derivative Instruments and Hedging Activities - Summary of Gains (Losses) on Derivative Instruments (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Realized Gain on Commodity Futures Contracts	$ 4,448,769	$ (17,194,951)
Net Change in Unrealized Depreciation on Commodity Futures Contracts	25,598,783	(7,969,968)
Corn Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	659,685	(3,964,335)
Net Change in Unrealized Depreciation on Commodity Futures Contracts	(1,559,320)	(1,596,170)
Soybean Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	362,172	(2,632,854)
Net Change in Unrealized Depreciation on Commodity Futures Contracts	3,990,338	596,685
Sugar Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	(832,556)	(482,314)
Net Change in Unrealized Depreciation on Commodity Futures Contracts	2,758,473	1,873,597
Wheat Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	4,259,468	(10,037,305)
Net Change in Unrealized Depreciation on Commodity Futures Contracts	$ 20,409,292	$ (8,958,463)