Note 4 - Loans (Details) - Secured Loans Characteristics (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Note 4 - Loans (Details) - Secured Loans Characteristics [Line Items]
Number of secured loans	53	52
Secured loans – principal (in Dollars)	$ 21,300,226	$ 19,185,660	$ 15,005,845	$ 14,698,430
Secured loans – lowest interest rate (fixed)	7.25%	7.25%
Secured loans – highest interest rate (fixed)	10.00%	10.00%
Average secured loan – principal (in Dollars)	401,891	368,955
Average principal as percent of total principal	1.89%	1.92%
Average principal as percent of members’ capital	1.82%	1.89%
Average principal as percent of total assets	1.77%	1.77%
Largest secured loan – principal (in Dollars)	1,600,000	1,600,000
Largest principal as percent of total principal	7.51%	8.34%
Largest principal as percent of members’ capital	7.25%	8.19%
Largest principal as percent of total assets	7.04%	7.69%
Smallest secured loan – principal (in Dollars)	45,068	66,278
Smallest principal as percent of total principal	0.21%	0.35%
Smallest principal as percent of members’ capital	0.20%	0.34%
Smallest principal as percent of total assets	0.20%	0.32%
Number of counties where security is located (all California)	13	13
Largest percentage of principal in one county	29.51%	25.23%
Number of secured loans in foreclosure	53	52
Secured loans in foreclosure – principal (in Dollars)	$ 192,843	$ 193,893
In Foreclosure [Member]
Note 4 - Loans (Details) - Secured Loans Characteristics [Line Items]
Number of secured loans in foreclosure	1	1