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Schedule of Investments (Details) - Condensed Consolidated Schedule of Investments (Parentheticals) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Investment Holdings, Other than Securities [Line Items]    
Premiums Received $ 16,012us-gaap_OpenOptionContractsWrittenPremiums $ 0us-gaap_OpenOptionContractsWrittenPremiums
Corporate Bond Securities [Member] | Long [Member] | BB&T Corp Note [Member]    
Investment Holdings, Other than Securities [Line Items]    
Cost 0us-gaap_InvestmentOwnedAtCost
/ invest_InvestmentSectorAxis
= rjog_BBAndTCorpNoteMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember		 762,121us-gaap_InvestmentOwnedAtCost
/ invest_InvestmentSectorAxis
= rjog_BBAndTCorpNoteMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Note 2.05%invest_InvestmentInterestRate
/ invest_InvestmentSectorAxis
= rjog_BBAndTCorpNoteMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember		 2.05%invest_InvestmentInterestRate
/ invest_InvestmentSectorAxis
= rjog_BBAndTCorpNoteMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Corporate Bond Securities [Member] | Long [Member] | Goldman Sachs Group Inc. Nt [Member]    
Investment Holdings, Other than Securities [Line Items]    
Cost 0us-gaap_InvestmentOwnedAtCost
/ invest_InvestmentSectorAxis
= rjog_GoldmanSachsGroupIncNtMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember		 739,576us-gaap_InvestmentOwnedAtCost
/ invest_InvestmentSectorAxis
= rjog_GoldmanSachsGroupIncNtMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Note 6.00%invest_InvestmentInterestRate
/ invest_InvestmentSectorAxis
= rjog_GoldmanSachsGroupIncNtMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember		 6.00%invest_InvestmentInterestRate
/ invest_InvestmentSectorAxis
= rjog_GoldmanSachsGroupIncNtMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CorporateBondSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Fixed Income Securities [Member] | Long [Member]    
Investment Holdings, Other than Securities [Line Items]    
Cost 0us-gaap_InvestmentOwnedAtCost
/ us-gaap_InvestmentTypeAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember		 1,501,697us-gaap_InvestmentOwnedAtCost
/ us-gaap_InvestmentTypeAxis
= us-gaap_FixedIncomeSecuritiesMember
/ us-gaap_PositionAxis
= us-gaap_LongMember
Put Option [Member] | Short [Member] | Agriculture Derivative [Member]    
Investment Holdings, Other than Securities [Line Items]    
Premiums Received 8,212us-gaap_OpenOptionContractsWrittenPremiums
/ us-gaap_DerivativeInstrumentRiskAxis
= rjog_AgricultureDerivativeMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_PutOptionMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember		 0us-gaap_OpenOptionContractsWrittenPremiums
/ us-gaap_DerivativeInstrumentRiskAxis
= rjog_AgricultureDerivativeMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_PutOptionMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember
Call Option [Member] | Short [Member] | Agriculture Derivative [Member]    
Investment Holdings, Other than Securities [Line Items]    
Premiums Received $ 7,800us-gaap_OpenOptionContractsWrittenPremiums
/ us-gaap_DerivativeInstrumentRiskAxis
= rjog_AgricultureDerivativeMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CallOptionMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember		 $ 0us-gaap_OpenOptionContractsWrittenPremiums
/ us-gaap_DerivativeInstrumentRiskAxis
= rjog_AgricultureDerivativeMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CallOptionMember
/ us-gaap_PositionAxis
= us-gaap_ShortMember