Schedule of Investments (Unaudited) (Parentheticals) - USD ($)	Sep. 30, 2022	Jun. 30, 2022
BREAKWAVE DRY BULK SHIPPING ETF [Member]
Net Assets Percentage	100.00%	100.00%
ETF MANAGERS GROUP COMMODITY TRUST I [Member]
Net Assets Percentage	100.00%	100.00%
Money Market Funds [Member] \| BREAKWAVE DRY BULK SHIPPING ETF [Member]
Money Market Funds, Cost (in Dollars)	$ 20,715,990	$ 17,208,763
Investment Cost (in Dollars)	20,715,990	17,208,763
Money Market Funds [Member] \| ETF MANAGERS GROUP COMMODITY TRUST I [Member]
Money Market Funds, Cost (in Dollars)	20,715,990	17,208,763
Investment Cost (in Dollars)	$ 20,715,990	$ 17,208,763
Money Market Funds [Member] \| First American US Treasury Obligations Fund, Class X [Member] \| BREAKWAVE DRY BULK SHIPPING ETF [Member]
American US Treasury Obligations Fund, Percentage	58.80%	37.00%
American US Treasury Obligations Fund, Par Value Percentage	0.01%	1.31%
American US Treasury Obligations Fund, Shares (in Shares)	20,715,990
Money Market Funds [Member] \| First American US Treasury Obligations Fund, Class X [Member] \| ETF MANAGERS GROUP COMMODITY TRUST I [Member]
American US Treasury Obligations Fund, Percentage	58.80%	37.00%
American US Treasury Obligations Fund, Par Value Percentage	0.01%	1.31%
American US Treasury Obligations Fund, Shares (in Shares)	20,715,990
Investments [Member] \| BREAKWAVE DRY BULK SHIPPING ETF [Member]
Money Market Funds, Cost (in Dollars)	$ 20,715,990	$ 17,208,763
Investment Cost (in Dollars)	$ 20,715,990	$ 17,208,763
Investment Percentage	58.80%	37.00%
Investments [Member] \| ETF MANAGERS GROUP COMMODITY TRUST I [Member]
Money Market Funds, Cost (in Dollars)	$ 20,715,990	$ 17,208,763
Investment Cost (in Dollars)	$ 20,715,990	$ 17,208,763
Investment Percentage	58.80%	37.00%
Other Assets in Excess of Liabilities [Member] \| BREAKWAVE DRY BULK SHIPPING ETF [Member]
Assets in Excess of Liabilities Percentage	41.20%	63.00%
Other Assets in Excess of Liabilities [Member] \| ETF MANAGERS GROUP COMMODITY TRUST I [Member]
Assets in Excess of Liabilities Percentage	41.20%	63.00%