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Note 4 - Loans (Details) - Secured Loan Transactions (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Note 4 - Loans (Details) - Secured Loan Transactions [Line Items]    
Secured loans $ 19,185,660us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet $ 14,698,430us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Loans Funded 0us-gaap_PaymentsToAcquireNotesReceivable 736,000us-gaap_PaymentsToAcquireNotesReceivable
Payments received (1,545,434)us-gaap_ProceedsFromCollectionOfLoansReceivable (2,965,335)us-gaap_ProceedsFromCollectionOfLoansReceivable
Secured loans 21,300,226us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet 15,005,845us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Affliliates or Manager [Member]    
Note 4 - Loans (Details) - Secured Loan Transactions [Line Items]    
Loans acquired from affiliates $ 3,660,000us-gaap_PaymentsToAcquireOtherReceivables
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= rmiix_AffliliatesOrManagerMember
$ 2,536,750us-gaap_PaymentsToAcquireOtherReceivables
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= rmiix_AffliliatesOrManagerMember