Note 4 - Loans Receivable (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012	Dec. 31, 2012
Financing Receivable, Gross	$ 349,520,000	[1],[2]		$ 353,192,000	[1],[2]
Servicing Fees, Net	1,000		2,000
Percent of Collateral Value of Loans Allowed to Pledge to FHLB	90.00%
Financing Receivable, Modifications, Recorded Investment	7,400,000			9,200,000
Minimum Loan Amount for Loans Analyzed by Credit Risk	250,000
Serviced for Others [Member]
Financing Receivable, Gross	4,200,000			8,700,000
One-to-Four-Family Residential [Member]
Financing Receivable, Gross	151,553,000			157,936,000
Loans Pledged as Collateral	62,900,000			67,300,000
Commercial Real Estate Loans [Member]
Loans Pledged as Collateral	8,900,000			9,400,000
Nonaccrual Troubled Debt Restructurings [Member]
Financing Receivable, Modifications, Recorded Investment	3,438,000			3,382,000
One Loan as TDR [Member]
Financing Receivable, Modifications, Recorded Investment	$ 6,000

[1] Gross of unearned discounts and net loan costs and the allowance for loan and lease losses.

[2] Gross unearned discounts and net deferred loan costs and the allowance for loan and lease losses.