Note 1 - Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($)
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]
Number of Limited Partnerships in Housing Investments	7	7
Percentage of Subsidiaries Common Securities Owned by Parent Company	100.00%
Gross Loans Comprised of Commercial Mortgage Loans Percentage	52.20%
Gross Loans Comprised of Commercial Loans Percentage	22.80%
Total Deposits Comprised of Time Deposit of 250,000 Or More Percentage	71.00%
Federal Home Loan Bank Stock (in Dollars) | $	$ 17,250,000	$ 30,785,000
Federal Home Loan Bank Stock, Shares (in Shares) | shares	172,500
Minimum Stock Requirement on Outstanding Federal Home Loan Bank Borrowings Shares (in Shares) | shares	150,000
Maximum Loan Size Portfolio Stratification Homogenous Portfolio (in Dollars) | $	$ 500,000
Number of Reportable Segments	2
CALIFORNIA
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]
Residential Mortgages Properties Percentage	61.00%