Note 2 - Summary of Significant Accounting Policies - Concentration Risk (Details) - USD ($)	3 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022
Revenue, related parties	$ 5,419,435	$ 5,657,027
Fund management - related party	5,419,435	5,657,027
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wainwright [Member]
Revenue, related parties	$ 5,419,435	$ 5,657,027
Concentration risk percentage	100.00%	100.00%
Fund management - related party	$ 5,419,435	$ 5,657,027
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wainwright [Member] | Customers Related to the USO Fund [Member]
Revenue, related parties	$ 2,564,245	$ 3,142,607
Concentration risk percentage	47.00%	56.00%
Fund management - related party	$ 2,564,245	$ 3,142,607
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wainwright [Member] | Customers Related to the BNO Fund [Member]
Revenue, related parties	$ 419,206	$ 519,919
Concentration risk percentage	8.00%	9.00%
Fund management - related party	$ 419,206	$ 519,919
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wainwright [Member] | Customers Related to the UNG Fund [Member]
Revenue, related parties	$ 807,940	$ 427,786
Concentration risk percentage	15.00%	8.00%
Fund management - related party	$ 807,940	$ 427,786
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wainwright [Member] | Customers Related to the USCI Fund [Member]
Revenue, related parties	$ 597,385	$ 475,584
Concentration risk percentage	11.00%	8.00%
Fund management - related party	$ 597,385	$ 475,584
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wainwright [Member] | All Other Customers [Member]
Revenue, related parties	$ 1,030,659	$ 1,091,131
Concentration risk percentage	19.00%	19.00%
Fund management - related party	$ 1,030,659	$ 1,091,131
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Wainwright [Member]
Revenue, related parties	$ 1,665,578		$ 2,230,874
Concentration risk percentage	100.00%		100.00%
Fund management - related party	$ 1,665,578		$ 2,230,874
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Wainwright [Member] | Customers Related to the USO Fund [Member]
Revenue, related parties	$ 774,612		$ 1,101,495
Concentration risk percentage	47.00%		49.00%
Fund management - related party	$ 774,612		$ 1,101,495
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Wainwright [Member] | Customers Related to the BNO Fund [Member]
Revenue, related parties	$ 124,711		$ 192,208
Concentration risk percentage	7.00%		9.00%
Fund management - related party	$ 124,711		$ 192,208
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Wainwright [Member] | Customers Related to the UNG Fund [Member]
Revenue, related parties	$ 258,997		$ 249,638
Concentration risk percentage	16.00%		11.00%
Fund management - related party	$ 258,997		$ 249,638
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Wainwright [Member] | Customers Related to the USCI Fund [Member]
Revenue, related parties	$ 184,560		$ 270,796
Concentration risk percentage	11.00%		12.00%
Fund management - related party	$ 184,560		$ 270,796
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Wainwright [Member] | All Other Customers [Member]
Revenue, related parties	$ 322,698		$ 416,737
Concentration risk percentage	19.00%		19.00%
Fund management - related party	$ 322,698		$ 416,737