Schedule of Investments (Details) - Condensed Consolidated Schedule of Investments (Securities) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Corporate Bonds
Fair Value	$ (23,065)	$ 260,744
Corporate Bond Securities [Member] | National Australia Bank, Floating Note [Member]
Corporate Bonds
Face Value		1,500,000
Maturity Date Range End		Jan. 08, 2013
Percentage of Net Assets		6.45%
Fair Value		1,500,105
Corporate Bond Securities [Member] | BB&T Corp Note [Member]
Corporate Bonds
Face Value	750,000
Maturity Date Range End	Apr. 28, 2014
Percentage of Net Assets	4.57%
Fair Value	755,835
Corporate Bond Securities [Member] | Goldman Sachs Group Inc. Nt [Member]
Corporate Bonds
Face Value	700,000
Maturity Date Range End	May 01, 2014
Percentage of Net Assets	4.37%
Fair Value	721,749
Corporate Bond Securities [Member] | JP Morgan Corp Note [Member]
Corporate Bonds
Face Value	625,000
Maturity Date Range End	Jan. 24, 2014
Percentage of Net Assets	3.80%
Fair Value	628,319
Corporate Bond Securities [Member]
Corporate Bonds
Face Value	2,075,000	1,500,000
Percentage of Net Assets	12.74%	6.45%
Fair Value	2,105,903	1,500,105
Commercial Paper [Member] | Suncorp Metway Ltd. [Member]
Corporate Bonds
Face Value	750,000	1,000,000
Maturity Date Range End	Jan. 23, 2014	Feb. 05, 2013
Percentage of Net Assets	4.53%	4.30%
Fair Value	748,330	999,542
Commercial Paper [Member] | Banco De Chile [Member]
Corporate Bonds
Face Value		1,000,000
Maturity Date Range End		Mar. 07, 2013
Percentage of Net Assets		4.30%
Fair Value		999,222
Commercial Paper [Member] | Korea Development Bank [Member]
Corporate Bonds
Face Value	750,000	1,000,000
Maturity Date Range End	Nov. 01, 2013	Jan. 17, 2013
Percentage of Net Assets	4.53%	4.30%
Fair Value	749,303	999,316
Commercial Paper [Member] | Shinhan Bank CP [Member]
Corporate Bonds
Face Value	700,000
Maturity Date Range End	Mar. 18, 2014
Percentage of Net Assets	4.23%
Fair Value	698,563
Commercial Paper [Member] | Macquarie Bank CP [Member]
Corporate Bonds
Face Value	750,000
Maturity Date Range End	Jan. 15, 2014
Percentage of Net Assets	4.53%
Fair Value	748,469
Commercial Paper [Member] | Nextra Energy Capital Holdings [Member]
Corporate Bonds
Face Value		1,000,000
Maturity Date Range End		Jan. 22, 2013
Percentage of Net Assets		4.30%
Fair Value		999,611
Commercial Paper [Member]
Corporate Bonds
Face Value	2,950,000	4,000,000
Percentage of Net Assets	17.82%	17.20%
Fair Value	2,944,665	3,997,691
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank [Member]
Corporate Bonds
Face Value		2,000,000
Maturity Date Range Start		Jun. 04, 2014
Maturity Date Range End		Aug. 07, 2014
Percentage of Net Assets		8.61%
Fair Value		2,000,770
US Government Agencies Debt Securities [Member] | Federal Home Loan Bank #2 [Member]
Corporate Bonds
Face Value	1,500,000
Maturity Date Range Start	Jun. 17, 2016
Maturity Date Range End	Jun. 24, 2016
Percentage of Net Assets	9.06%
Fair Value	1,496,370
US Government Agencies Debt Securities [Member] | Freddie Mac Bond [Member]
Corporate Bonds
Face Value		2,000,000
Maturity Date Range Start		Nov. 26, 2014
Maturity Date Range End		Dec. 05, 2014
Percentage of Net Assets		8.61%
Fair Value		2,000,870
US Government Agencies Debt Securities [Member] | Freddie Mac Note [Member]
Corporate Bonds
Face Value		1,500,000
Maturity Date Range End		Feb. 21, 2014
Percentage of Net Assets		6.45%
Fair Value		1,500,645
US Government Agencies Debt Securities [Member] | Freddie Mac Bond #2 [Member]
Corporate Bonds
Face Value	2,500,000
Maturity Date Range Start	Nov. 26, 2014
Maturity Date Range End	Aug. 21, 2015
Percentage of Net Assets	15.15%
Fair Value	2,502,745
US Government Agencies Debt Securities [Member] | Fannie Mae [Member]
Corporate Bonds
Face Value	1,250,000
Maturity Date Range Start	Feb. 26, 2016
Maturity Date Range End	Mar. 28, 2016
Percentage of Net Assets	7.55%
Fair Value	1,248,080
US Government Agencies Debt Securities [Member]
Corporate Bonds
Face Value	5,250,000	5,500,000
Percentage of Net Assets	31.76%	23.67%
Fair Value	5,247,195	5,502,285
Private Equity Funds, Domestic [Member]
Corporate Bonds
Percentage of Net Assets	0.01%	0.02%
Fair Value	2,371	3,600
Fixed Income Securities [Member]
Corporate Bonds
Fair Value	$ 10,300,134	$ 11,003,681
Fixed Income Securities [Member] | Maximum [Member]
Corporate Bonds
Percentage of Net Assets	40.00%