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Agreements (Details Textual) - USD ($)	1 Months Ended					3 Months Ended	9 Months Ended
	Feb. 19, 2016	Jan. 27, 2016	Nov. 30, 2015	Mar. 31, 2015		Mar. 31, 2016	Mar. 31, 2016
Advisory Services Management Fees Percentage							0.15%
Fund Expenses Annual Rate Percentage							1.50%
Assets Under Management Percentage	0.05%						0.05%
Percentage of Brokerage Commissions and Fees							0.126%
Trustee Fees				$ 324		$ 1,243	$ 3,755
Percentage of funds average daily net assets							1.50%
ETF Managers Capital LLC [Member]
Fund Expenses Annual Rate Percentage		0.50%
Waiver Of Commodity Trading Advisor Fees				2,214		22,205	$ 36,620
Expenses Absorbed By Sponsor				53,753		49,362	206,591
SIT RISING RATE ETF [Member]
Waiver Of Commodity Trading Advisor Fees				2,214	[1]	22,205	36,620
Expense Related to Distribution or Servicing and Underwriting Fees				1,685	[1]	3,729	11,269
Noninterest Expense Commission Expense				1,352	[1]	8,648	18,571
Costs and Expenses				66,807	[1]	153,251	396,596
Expenses Absorbed By Sponsor				53,753	[1]	49,362	206,591
Management Fee Expense				2,106	[1]	6,216	15,642
Administrative And Other Expenses Absorbed By Sponsor				$ 64,593		131,046	$ 359,976
Distributor [Member]
Assets Under Management Percentage							0.02%
Payments for Fees							$ 15,000
Esposito Securities LLC [Member]
Assets Under Management Percentage			0.02%
Custody Services [Member]
Assets Under Management Percentage							0.01%
Sponsors Advisory Services [Member]
Management Fee Expense							$ 75,000
Minimum [Member]
Accrued Professional Fees, Current	$ 50,000					$ 45,000	45,000
Custody Fees	$ 4,800						$ 4,800
Minimum [Member] | Esposito Securities LLC [Member]
Payments for Fees			$ 15,000
[1] Commencement of investment operations.

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