v3.22.2.2
Schedule of Investments - USD ($)
Jun. 30, 2022
Jun. 30, 2021
BREAKWAVE DRY BULK SHIPPING ETF [Member]    
MONEY MARKET FUNDS - 37.0%    
TOTAL NET ASSETS $ 46,487,168 $ 114,077,152
ETF MANAGERS GROUP COMMODITY TRUST I [Member]    
MONEY MARKET FUNDS - 37.0%    
TOTAL NET ASSETS 46,487,168 114,077,152
Money Market Funds [Member] | BREAKWAVE DRY BULK SHIPPING ETF [Member]    
MONEY MARKET FUNDS - 37.0%    
TOTAL MONEY MARKET FUNDS 17,208,763 42,654,058
Money Market Funds [Member] | ETF MANAGERS GROUP COMMODITY TRUST I [Member]    
MONEY MARKET FUNDS - 37.0%    
TOTAL MONEY MARKET FUNDS 17,208,763 42,654,058
Money Market Funds [Member] | First American US Treasury Obligations Fund, Class X [Member] | BREAKWAVE DRY BULK SHIPPING ETF [Member]    
MONEY MARKET FUNDS - 37.0%    
First American US Treasury Obligations Fund, Class X 17,208,763 [1] 42,654,058 [2]
Money Market Funds [Member] | First American US Treasury Obligations Fund, Class X [Member] | ETF MANAGERS GROUP COMMODITY TRUST I [Member]    
MONEY MARKET FUNDS - 37.0%    
First American US Treasury Obligations Fund, Class X 17,208,763 [1] 42,654,058 [2]
Investments [Member] | BREAKWAVE DRY BULK SHIPPING ETF [Member]    
MONEY MARKET FUNDS - 37.0%    
Total Investments 17,208,763 42,654,058
Investments [Member] | ETF MANAGERS GROUP COMMODITY TRUST I [Member]    
MONEY MARKET FUNDS - 37.0%    
Total Investments 17,208,763 42,654,058
Other Assets in Excess of Liabilities [Member] | BREAKWAVE DRY BULK SHIPPING ETF [Member]    
MONEY MARKET FUNDS - 37.0%    
Other Assets in Excess of Liabilities 29,278,405 [3] 71,423,094 [4]
Other Assets in Excess of Liabilities [Member] | ETF MANAGERS GROUP COMMODITY TRUST I [Member]    
MONEY MARKET FUNDS - 37.0%    
Other Assets in Excess of Liabilities $ 29,278,405 [3] $ 71,423,094 [4]
[1] Annualized seven-day yield as of June 30, 2022.
[2] Annualized seven-day yield as of June 30, 2021.
[3] $37,188,477 of cash is pledged as collateral for futures contracts.
[4] $50,040,588 of cash is pledged as collateral for futures contracts.