Summary of Significant Accounting Policies (Details) - Fair Value, Inputs, Level 1 [Member] - USD ($)		Sep. 30, 2017	Jun. 30, 2017
Short-Term Investments	[1]	$ 25,899,216	$ 20,247,291
Purchased Options Contracts	[1]	89,063	72,703
Written Options Contracts	[2]	(8,500)	(3,477)
Future Contracts	[3]	240,407	21,795
Total		$ 26,220,186	$ 20,338,312

[1] Included in Investments in securities in the Statements of Assets and Liabilities.

[2] Included in Options Written, at fair value in the Statements of Assets and Liabilities.

[3] Included in Receivable on open futures contracts in the Statements of Assets and Liabilities.