Note 5 - Derivative Instruments and Hedging Activities - Summary of Gains (Losses) on Derivative Instruments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Realized Gain on Commodity Futures Contracts	$ (43,176,670)	$ 117,839,481	$ 25,091,898
Net Change in Unrealized Depreciation on Commodity Futures Contracts	(33,905,514)	(29,744,871)	35,293,415
Corn Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	28,784,977	65,827,118	5,882,216
Net Change in Unrealized Depreciation on Commodity Futures Contracts	(7,317,857)	(14,218,054)	19,371,125
Soybean Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	10,362,032	27,370,674	14,404,714
Net Change in Unrealized Depreciation on Commodity Futures Contracts	(164,481)	(12,439,375)	14,192,330
Sugar Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	(442,477)	6,223,228	(656,937)
Net Change in Unrealized Depreciation on Commodity Futures Contracts	(172,519)	(408,983)	1,060,274
Wheat Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	(81,457,408)	18,418,461	5,461,905
Net Change in Unrealized Depreciation on Commodity Futures Contracts	(26,279,809)	$ (2,678,459)	$ 669,686
Bitcoin Futures Contracts [Member]
Realized Gain on Commodity Futures Contracts	(423,794)
Net Change in Unrealized Depreciation on Commodity Futures Contracts	$ 29,152