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Condensed Statements of Operations (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Gain on trading of commodity futures contracts: |  |
Realized gain on closed positions | $ 6,361,470 | $ 3,914,980
Change in unrealized gain on open positions | 1,154,200 | 1,164,000
Dividend income | 1,263 | 1,092
Interest income | 2,249 | 434
Other income | 4,550 | 7,000
Total income | 7,523,732 | 5,087,506
Expenses |  |
General Partners management fees (Note 3) | 105,515 | 45,461
Professional fees | 29,056 | 52,688
Brokerage commissions | 9,947 | 6,352
Other expenses | 2,144 | 525
Total expenses | 146,662 | 105,026
Expense waiver (Note 3) | (8,066) | (43,596)
Net expenses | 138,596 | 61,430
Net income | $ 7,385,136 | $ 5,026,076
Net income per limited partnership unit | 11.76 | 14.82
Net income per weighted average limited partnership unit | 10.86 | 14.93
Weighted average limited partnership units outstanding | 680,220 | 336,667

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