Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Impaired Loans and Associated Reserves (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014		Dec. 31, 2013		Sep. 30, 2013
Financing Receivable, Impaired [Line Items]
Principal Balance	$ 15,464		$ 12,985
Total Recorded Investment	15,187	[1]	12,989	[2]
Recorded Investment for Which There is No Related Allowance	9,223	[1]	10,635	[2]
Recorded Investment in for Which There is a Related Allowance	5,964	[1]	2,354	[2]
Related Allowance	296		624		631
Residential Closed End First Liens [Member] | Consumer Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance	392	[3]	440	[3]
Total Recorded Investment	365	[1],[3]	442	[2],[3]
Recorded Investment for Which There is No Related Allowance	168	[1],[3]	232	[2],[3]
Recorded Investment in for Which There is a Related Allowance	197	[1],[3]	210	[2],[3]
Related Allowance	2	[3]	3	[3]
Residential Closed End Junior Liens [Member] | Consumer Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance	244	[3]	259	[3]
Total Recorded Investment	244	[1],[3]	261	[2],[3]
Recorded Investment for Which There is No Related Allowance		[1],[3]		[2],[3]
Recorded Investment in for Which There is a Related Allowance	244	[1],[3]	261	[2],[3]
Related Allowance	6	[3]	7	[3]
Investor-Owned Residential Real Estate [Member] | Consumer Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance	77	[3]	81	[3]
Total Recorded Investment	77	[1],[3]	82	[2],[3]
Recorded Investment for Which There is No Related Allowance		[1],[3]	82	[2],[3]
Recorded Investment in for Which There is a Related Allowance	77	[1],[3]		[2],[3]
Related Allowance	5	[3]		[3]
Multifamily Real Estate [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance	2,950	[3]	3,278	[3]
Total Recorded Investment	2,794	[1],[3]	3,274	[2],[3]
Recorded Investment for Which There is No Related Allowance	868	[1],[3]	3,274	[2],[3]
Recorded Investment in for Which There is a Related Allowance	1,926	[1],[3]		[2],[3]
Related Allowance	224	[3]		[3]
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance	5,036	[3]	5,643	[3]
Total Recorded Investment	4,942	[1],[3]	5,645	[2],[3]
Recorded Investment for Which There is No Related Allowance	4,483	[1],[3]	3,864	[2],[3]
Recorded Investment in for Which There is a Related Allowance	459	[1],[3]	1,781	[2],[3]
Related Allowance	25	[3]	610	[3]
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance	6,068	[3]	3,158	[3]
Total Recorded Investment	6,068	[1],[3]	3,158	[2],[3]
Recorded Investment for Which There is No Related Allowance	3,094	[1],[3]	3,158	[2],[3]
Recorded Investment in for Which There is a Related Allowance	2,974	[1],[3]		[2],[3]
Related Allowance	32	[3]		[3]
Commercial and Industrial [Member] | Commercial Non Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance	697	[3]	102	[3]
Total Recorded Investment	697	[1],[3]	103	[2],[3]
Recorded Investment for Which There is No Related Allowance	610	[1],[3]	1	[2],[3]
Recorded Investment in for Which There is a Related Allowance	87	[1],[3]	102	[2],[3]
Related Allowance	2	[3]	4	[3]
Automobile [Member] | Consumer Non Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Principal Balance		[3]	24	[3]
Total Recorded Investment		[1],[3]	24	[2],[3]
Recorded Investment for Which There is No Related Allowance		[1],[3]	24	[2],[3]
Recorded Investment in for Which There is a Related Allowance		[1],[3]		[2],[3]
Related Allowance		[3]		[3]

[1] Recorded investment is net of charge-offs and interest paid while a loan is in nonaccrual status.

[2] Recorded investment includes principal net of unearned interest and deferred fees and costs, and accrued interest.

[3] Only classes with impaired loans are shown.