Note 3 - General Partners (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
General Partners And Other Related Parties Details [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 1,473,000	$ 3,009,000	$ 2,597,000	$ 4,084,000
Percentage of offering proceeds			7.00%
Related Party Transaction, Amounts of Transaction	649,682	230,808	$ 1,167,601	444,657
Limit Percentage of Total Assets For Brokerage Commissions			4.00%
Fees and Commissions, Other	40,523	38,964	$ 51,759	44,370
Chargeable by RMC	294,000	293,000	527,000	577,000
Waived by RMC	0	0	$ 0	0
Management fee, description			The general partners receive monthly fees for managing the partnership’s loan portfolio and operations of up to 1/32 of 1% of the “net asset value” (3/8 of 1% annually).
Asset Management Fees	172,000	183,000	$ 348,000	367,000
Asset management fees waived	0	0	0	0
Operating Expenses	$ 1,457,000	1,301,000	$ 2,620,000	2,531,000
Maximum [Member]
General Partners And Other Related Parties Details [Line Items]
Annual mortgage servicing fees, percentage	1.50%		1.50%
RMC and Burwell [Member]
General Partners And Other Related Parties Details [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Profit (Loss) Percentage	1.00%		1.00%
Burwell [Member]
General Partners And Other Related Parties Details [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Profit (Loss) Percentage	0.66%		0.66%
Equity Deficit Assumed by a General Partner	100.00%		100.00%
One Percent of Total Profits and Losses [Member] | General Partner [Member]
General Partners And Other Related Parties Details [Line Items]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 15,000	30,000	$ 26,000	41,000
Reimbursed to RMC [Member]
General Partners And Other Related Parties Details [Line Items]
Operating Expenses	$ 491,000	$ 443,000	$ 975,000	$ 971,000