Note 3 - Loans Receivable (Detail) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 2,356,000	$ 2,689,000
Impaired Financing Receivable, Related Allowance	224,000	208,000
Performing Financing Receivable [Member] | Troubled Debt Restructuring [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	189,000	199,000
Troubled Debt Restructuring [Member]
Impaired Financing Receivable, Recorded Investment	6,500,000
Financing Receivable, Modifications, Recorded Investment		6,500,000
Impaired Financing Receivable, Related Allowance	$ 137,000	$ 137,000