Schedule of Investments (Details) - Condensed Consolidated Schedule of Investments (Securities) (Parentheticals) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Corporate Bond Securities [Member] | National Australia Bank, Floating Note [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)		$ 1,504,227
Corporate Bond Securities [Member] | HSBC [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	766,151
Interest rate	4.75%
Corporate Bond Securities [Member] | Citi Bank Corp NT [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	824,513
Interest rate	6.50%
Corporate Bond Securities [Member] | Prudential Financial, Inc. [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	765,416
Interest rate	4.50%
Commercial Paper [Member] | Suncorp Metway Ltd. [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	997,442	999,542
Commercial Paper [Member] | Banco De Chile [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)		999,222
Commercial Paper [Member] | Korea Development Bank [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	998,050	999,316
Commercial Paper [Member] | Shinhan Bank CP [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	748,697
Commercial Paper [Member] | Kookmin Bank CP [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)		682,547
Commercial Paper [Member] | Export Import Bank Korea CP [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	799,060
Commercial Paper [Member] | Nextra Energy Capital Holdings [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)		999,611
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	2,000,000
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank [Member] | Minimum [Member]
Schedule of Investments [Line Items]
Interest rate	0.30%
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank [Member] | Maximum [Member]
Schedule of Investments [Line Items]
Interest rate	0.45%
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank #2 [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	1,500,000
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank #2 [Member] | Minimum [Member]
Schedule of Investments [Line Items]
Interest rate	0.60%
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank #2 [Member] | Maximum [Member]
Schedule of Investments [Line Items]
Interest rate	0.75%
US Government Agencies Debt Securities [Member] | Freddie Mac Bond [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	2,000,084	2,000,084
Interest rate	0.35%	0.35%
US Government Agencies Debt Securities [Member] | Freddie Mac Note [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)		1,500,000
Interest rate		0.50%
US Government Agencies Debt Securities [Member] | Freddie Mac Bond #2 [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	502,061
Interest rate	0.625%
US Government Agencies Debt Securities [Member] | Fannie Mae [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	1,250,000
US Government Agencies Debt Securities [Member] | Fannie Mae [Member] | Minimum [Member]
Schedule of Investments [Line Items]
Interest rate	0.55%
US Government Agencies Debt Securities [Member] | Fannie Mae [Member] | Maximum [Member]
Schedule of Investments [Line Items]
Interest rate	0.65%
Private Equity Funds, Domestic [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	2,633	3,600
Fixed Income Securities [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	11,836,654	11,005,602
Global Diversified Managed Futures Portfolio, LLC [Member]
Schedule of Investments [Line Items]
Cost (in Dollars)	$ 830,000