Note 1 - Summary of Significant Accounting Policies (Detail) (USD $)	9 Months Ended
	Sep. 30, 2012
Number of Operating Segments	1
Loans Receivable, Nonaccrual Status, Number of Days, Minimum	90 days
Allowance for Loan Losses, Number of Components	2
Qualify for Recognition as a Completed Sale, Expected Term	1 year
Likelyhood of Being Realized on Examination	50.00%
Unrecognized Tax Benefits (in Dollars)	$ 0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate (in Dollars)	$ 0
Single-family [Member] | Minimum [Member]
Number of Units	1
Single-family [Member] | Maximum [Member]
Number of Units	4
Minimum [Member]
Property, Plant and Equipment, Useful Life	5 years
Maximum [Member]
Property, Plant and Equipment, Useful Life	39 years