v3.22.2.2
Statements of Changes in Net Assets - USD ($)
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
BREAKWAVE DRY BULK SHIPPING ETF    
Net Assets at Beginning of Year $ 114,077,152 $ 44,275,487
Increase (decrease) in Net Assets from share transactions    
Addition of shares 125,116,790 95,774,278
Redemption of shares (159,308,038) (85,383,922)
Net Increase (decrease) in Net Assets from share transactions (34,191,248) 10,390,356
Increase (decrease) in Net Assets from operations    
Net investment income (loss) (3,247,189) (1,845,919)
Net realized gain (loss) 836,968 48,115,213
Change in net unrealized gain (loss) (30,988,515) 13,142,015
Net increase (decrease) in Net Assets from operations (33,398,736) 59,411,309
Net Assets at End of Year 46,487,168 114,077,152
ETF MANAGERS GROUP COMMODITY TRUST I    
Net Assets at Beginning of Year 114,077,152  
Increase (decrease) in Net Assets from share transactions    
Addition of shares 125,116,790  
Redemption of shares (159,308,038)  
Net Increase (decrease) in Net Assets from share transactions (34,191,248)  
Increase (decrease) in Net Assets from operations    
Net investment income (loss) (3,247,189)  
Net realized gain (loss) 836,968  
Change in net unrealized gain (loss) (30,988,515)  
Net increase (decrease) in Net Assets from operations (33,398,736)  
Net Assets at End of Year 46,487,168 114,077,152
SIT RISING RATE ETF    
Net Assets at Beginning of Year [1] 5,068,181
Increase (decrease) in Net Assets from share transactions    
Addition of shares [1]  
Redemption of shares [1]   (4,998,233)
Net Increase (decrease) in Net Assets from share transactions [1]   (4,998,233)
Increase (decrease) in Net Assets from operations    
Net investment income (loss) [1]   (51,269)
Net realized gain (loss) [1]   (29,138)
Change in net unrealized gain (loss) [1]   10,459
Net increase (decrease) in Net Assets from operations [1]   (69,948)
Net Assets at End of Year [1]  
COMBINED    
Net Assets at Beginning of Year $ 114,077,152 49,343,668
Increase (decrease) in Net Assets from share transactions    
Addition of shares   95,774,278
Redemption of shares   (90,382,155)
Net Increase (decrease) in Net Assets from share transactions   5,392,123
Increase (decrease) in Net Assets from operations    
Net investment income (loss)   (1,897,188)
Net realized gain (loss)   48,086,075
Change in net unrealized gain (loss)   13,152,474
Net increase (decrease) in Net Assets from operations   59,341,361
Net Assets at End of Year   $ 114,077,152
[1] Period from July 1, 2020 to October 30, 2020 - Sit Rising Rate ETF liquidated as of November 18, 2020.