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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Mar. 31, 2016
Accounting Policies [Abstract] |
Fair Value, by Balance Sheet Grouping [Table Text Block] | The following tables summarize the valuation of investments at March 31, 2016 and at June 30, 2015 using the fair value hierarchy:
|  | March 31, 2016 (unaudited) |
|  | Short-Term |  |  |  |  |  |  |
|  | Investments |  | Written |  |  |  |  |
|  | and Purchased |  | Options |  | Future |  |  |
|  | Options |  | Contracts |  | Contracts |  | Total |
Level I – Quoted Prices |  | $ | 18,938,447 | a | $ | (190,117) | b | $ | 48,032 | c | $ | 18,796,362 |
a – Included in Investments in short-term securities in the Statements of Financial Condition. b – Included in Options Written, at fair value in the Statements of Financial Condition. c – Included in Receivable on open futures contracts in the Statements of Financial Condition.
|  | June 30, 2015 (audited) |
|  | Short-Term |  |  |  |  |  |  |
|  | Investments |  | Written |  |  |  |  |
|  | and Purchased |  | Options |  | Future |  |  |
|  | Options |  | Contracts |  | Contracts |  | Total |
Level I – Quoted Prices |  | $ | 5,678,452 | a | $ | (27,070) | b | $ | 6,608 | c | $ | 5,657,990 |
a – Included in Investments in short-term securities in the Statements of Financial Condition. b – Included in Options Written, at fair value in the Statements of Financial Condition. c – Included in Receivable and Payable on open futures contracts in the Statements of Financial Condition.

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611 + Details
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