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Statements of Changes in Shareholders' Capital - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 31, 2015 | [1] | Mar. 31, 2016 | Mar. 31, 2016
SIT RISING RATE ETF [Member] |  |  |
Shareholders' Capital at Beginning of Period | $ 5,001,000 | $ 18,159,504 | $ 6,061,502
Increase (decrease) in Shareholders' Capital from share transactions | 1,245,665 | 2,384,370 | 14,437,270
Net increase (decrease) in Shareholders' Capital from share transactions |  |  |
Addition of 100,000, 100,000, 50,000 and 50,000 shares, respectively | 1,245,665 | 2,384,370 | 14,437,270
Increase (decrease) in Shareholders' Capital from operations |  |  |
Net investment income (loss) | (10,840) | (70,845) | (141,270)
Net realized gain (loss) | (11,396) | (719,469) | (726,684)
Change in net unrealized gain (loss) | (156,031) | (250,645) | (127,903)
Net increase (decrease) in Shareholders' Capital from operations | (178,267) | (1,040,959) | (995,857)
Shareholders' Capital at End of Period | 6,068,398 | 19,502,915 | 19,502,915
ETF MANAGERS GROUP COMMODITY TRUST I [Member] |  |  |
Shareholders' Capital at Beginning of Period | 5,001,000 | 18,159,504 | 6,061,502
Increase (decrease) in Shareholders' Capital from share transactions | 1,245,665 | 2,384,370 | 14,437,270
Net increase (decrease) in Shareholders' Capital from share transactions |  |  |
Addition of 100,000, 100,000, 50,000 and 50,000 shares, respectively | 1,245,665 | 2,384,370 | 14,437,270
Increase (decrease) in Shareholders' Capital from operations |  |  |
Net investment income (loss) | (10,840) | (70,845) | (141,270)
Net realized gain (loss) | (11,396) | (719,469) | (726,684)
Change in net unrealized gain (loss) | (156,031) | (250,645) | (127,903)
Net increase (decrease) in Shareholders' Capital from operations | (178,267) | (1,040,959) | (995,857)
Shareholders' Capital at End of Period | $ 6,068,398 | $ 19,502,915 | $ 19,502,915
[1] | Commencement of investment operations.

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- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E + Details
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- Definition The increase (decrease) in stockholders' equity during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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