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Condensed Statements of Cash Flows (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Cash Flows from Operating Activities: |  |
Net income (loss) | $ (435,090) | $ 679,733
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |
(Increase) decrease in commodity futures trading account - cash and cash equivalents | (2,897,576) | 1,852,336
Unrealized loss on futures contracts | 276,270 | 662,270
Decrease in receivable from General Partner | 49,912 | 32,380
Decrease in dividend receivable | 421 | 314
Increase in other assets | (2,855) | (2,845)
Decrease in professional fees payable | (99,762) | (94,457)
Decrease in General Partner management fees payable | (1,081) | (573)
Decrease in brokerage commissions payable | (110) | (150)
Increase (decrease) in other liabilities | (25) | 18
Net cash provided by (used in) operating activities | (3,109,896) | 3,129,026
Cash Flows from Financing Activities: |  |
Addition of partnership shares | 10,745,769 | 38,093,572
Redemption of partnership shares | (10,799,701) | (38,055,216)
Net cash provided by (used in) financing activities | (53,932) | 38,356
Net Increase (Decrease) in Cash and Cash Equivalents | (3,163,828) | 3,167,382
Cash and Cash Equivalents, beginning of period | 25,257,312 | 39,506,019
Cash and Cash Equivalents, end of period | $ 22,093,484 | $ 42,673,401

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