Fair Value Measurements (Details) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Fair Value Measurements
Investments Owned, Fair Value	$ 47,504,843	$ 60,736,458
Amount of transfers among Levels 1, 2, and 3	0	0
Recurring basis
Fair Value Measurements
Total - Assets	57,294,004	66,874,383
Recurring basis \| Futures Contracts
Fair Value Measurements
Open derivative contracts, fair value	(35,812)	1,727,541
Recurring basis \| Forward Contracts
Fair Value Measurements
Open derivative contracts, fair value	96,101	(41,428)
Recurring basis \| Swap Contracts
Fair Value Measurements
Open derivative contracts, fair value	2,693,923	1,933,109
Recurring basis \| U.S. money market fund
Fair Value Measurements
Cash and cash equivalents	7,034,949	2,518,703
Recurring basis \| U.S. Government-sponsored enterprises
Fair Value Measurements
Investments Owned, Fair Value	29,544,246	41,635,179
Recurring basis \| U.S. Government securities
Fair Value Measurements
Investments Owned, Fair Value	12,957,197	14,752,579
Recurring basis \| U.S. Exchange Traded Funds
Fair Value Measurements
Investments Owned, Fair Value	5,003,400	4,348,700
Recurring basis \| Level 1
Fair Value Measurements
Total - Assets	12,002,537	8,594,944
Recurring basis \| Level 1 \| Futures Contracts
Fair Value Measurements
Open derivative contracts, fair value	(35,812)	1,727,541
Recurring basis \| Level 1 \| U.S. money market fund
Fair Value Measurements
Cash and cash equivalents	7,034,949	2,518,703
Recurring basis \| Level 1 \| U.S. Exchange Traded Funds
Fair Value Measurements
Investments Owned, Fair Value	5,003,400	4,348,700
Recurring basis \| Level 2
Fair Value Measurements
Total - Assets	45,291,467	58,279,439
Recurring basis \| Level 2 \| Forward Contracts
Fair Value Measurements
Open derivative contracts, fair value	96,101	(41,428)
Recurring basis \| Level 2 \| Swap Contracts
Fair Value Measurements
Open derivative contracts, fair value	2,693,923	1,933,109
Recurring basis \| Level 2 \| U.S. Government-sponsored enterprises
Fair Value Measurements
Investments Owned, Fair Value	29,544,246	41,635,179
Recurring basis \| Level 2 \| U.S. Government securities
Fair Value Measurements
Investments Owned, Fair Value	$ 12,957,197	$ 14,752,579

Fair value of the assets less the liabilities of open derivative contracts pledged to counterparties as collateral.

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- Definition

Amount of transfers of assets between the levels of the fair value hierarchy.

+ References

No definition available.

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- Definition

The fair value, as of the balance sheet date, of financial instruments owned by the entity and not pledged to counterparties as collateral. Excludes derivative contracts.

+ References

No definition available.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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