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Condensed Statements of Operations (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Gain (loss) on trading of commodity contracts: |  |  |  |
Realized gain (loss) on closed positions | $ (196,150) | $ (1,749,680) | $ 2,543,710 | $ (12,562,600)
Change in unrealized gain (loss) on open positions | (158,410) | 5,150,880 | (599,230) | 11,548,500
Dividend income | 1,034 | 1,233 | 3,410 | 2,814
Interest income | 548 | 2,191 | 3,816 | 4,589
Other income | 700 | 2,100 | 8,050 | 9,100
Total income (loss) | (352,278) | 3,406,724 | 1,959,756 | (997,597)
Expenses |  |  |  |
General Partner management fees (Note 3) | 50,299 | 85,391 | 197,762 | 191,381
Professional fees | 40,284 | 30,234 | 102,478 | 80,377
Brokerage commissions | 1,398 | 3,486 | 6,810 | 11,485
Other expenses | 2,850 | 3,374 | 9,669 | 7,858
Total expenses | 94,831 | 122,485 | 316,719 | 291,101
Expense waiver (Note 3) | (30,231) | (13,434) | (63,018) | (42,355)
Net expenses | 64,600 | 109,051 | 253,701 | 248,746
Net income (loss) | $ (416,878) | $ 3,297,673 | $ 1,706,055 | $ (1,246,343)
Net income (loss) per limited partnership unit | $ (0.30) | $ 1.30 | $ (0.32) | $ (2.53)
Net income (loss) per weighted average limited partnership unit | $ (0.27) | $ 1.26 | $ 0.87 | $ (0.63)
Weighted average limited partnership units outstanding | 1,545,652 | 2,612,500 | 1,958,059 | 1,968,613

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