Derivative Instruments and Hedging Activities (Details) - Schedule of Derivative Assets and Liabilities, Net (USD $)	Jun. 30, 2013	Dec. 31, 2012
Schedule of Derivative Assets and Liabilities, Net [Abstract]
Unrealized gain (loss) on open contracts, assets gross	$ 388,524	$ 593,783
Unrealized gain (loss) on open contracts, liabilities gross	(241,699)	(333,039)
Unrealized gain (loss) on open contracts, net	146,825	260,744
Purchased options on futures contracts, assets gross	2,266,543	728,440
Purchased options on futures contracts, liabilities gross	0	0
Purchased options on futures contracts, net	2,266,543	728,440
Options written on futures contracts, assets gross	0	0
Options written on futures contracts, liabilities gross	(3,070,552)	(884,242)
Options written on futures contracts, net	(3,070,552)	(884,242)
Gross Assets	2,655,067	1,322,223
Gross Liabilities	(3,312,251)	(1,217,281)
Net Assets (Liabilities)	$ (657,184)	$ 104,942