Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Impaired Loans and Associated Reserves (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013		Jun. 30, 2013
Consumer Real Estate(2)
Principal Balance	$ 11,144	[1]	$ 12,985
Total Recorded Investment			12,989	[2]
Recorded Investment in for Which There is No Related Allowance	8,155	[1]	10,635	[2]
Recorded Investment in for Which There is a Related Allowance	2,989	[1]	2,354	[2]
Related Allowance	291		624		273
Residential Closed End First Liens [Member] | Consumer Real Estate [Member]
Consumer Real Estate(2)
Principal Balance	369	[1],[3]	440	[3]
Total Recorded Investment			442	[2],[3]
Recorded Investment in for Which There is No Related Allowance	168	[1],[3]	232	[2],[3]
Recorded Investment in for Which There is a Related Allowance	201	[1],[3]	210	[2],[3]
Related Allowance	3	[3]	3	[3]
Residential Closed End Junior Liens [Member] | Consumer Real Estate [Member]
Consumer Real Estate(2)
Principal Balance	248	[1],[3]	259	[3]
Total Recorded Investment			261	[2],[3]
Recorded Investment in for Which There is No Related Allowance		[1],[3]		[2],[3]
Recorded Investment in for Which There is a Related Allowance	248	[1],[3]	261	[2],[3]
Related Allowance	6	[3]	7	[3]
Investor-Owned Residential Real Estate [Member] | Consumer Real Estate [Member]
Consumer Real Estate(2)
Principal Balance	77	[1],[3]	81	[3]
Total Recorded Investment			82	[2],[3]
Recorded Investment in 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	4	[3]		[3]
Multifamily Real Estate [Member] | Commercial Real Estate Loans [Member]
Consumer Real Estate(2)
Principal Balance	2,823	[1],[3]	3,278	[3]
Total Recorded Investment			3,274	[2],[3]
Recorded Investment in for Which There is No Related Allowance	868	[1],[3]	3,274	[2],[3]
Recorded Investment in for Which There is a Related Allowance	1,955	[1],[3]		[2],[3]
Related Allowance	248	[3]		[3]
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member]
Consumer Real Estate(2)
Principal Balance	4,458	[1],[3]	5,643	[3]
Total Recorded Investment			5,645	[2],[3]
Recorded Investment in for Which There is No Related Allowance	3,996	[1],[3]	3,864	[2],[3]
Recorded Investment in for Which There is a Related Allowance	462	[1],[3]	1,781	[2],[3]
Related Allowance	29	[3]	610	[3]
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member]
Consumer Real Estate(2)
Principal Balance	3,123	[1],[3]	3,158	[3]
Total Recorded Investment			3,158	[2],[3]
Recorded Investment in for Which There is No Related Allowance	3,123	[1],[3]	3,158	[2],[3]
Recorded Investment in for Which There is a Related Allowance		[1],[3]		[2],[3]
Related Allowance		[3]		[3]
Commercial and Industrial [Member] | Commercial Non Real Estate [Member]
Consumer Real Estate(2)
Principal Balance	46	[1],[3]	102	[3]
Total Recorded Investment			103	[2],[3]
Recorded Investment in for Which There is No Related Allowance		[1],[3]	1	[2],[3]
Recorded Investment in for Which There is a Related Allowance	46	[1],[3]	102	[2],[3]
Related Allowance	1	[3]	4	[3]
Automobile [Member] | Consumer Non Real Estate [Member]
Consumer Real Estate(2)
Principal Balance		[1],[3]	24	[3]
Total Recorded Investment			24	[2],[3]
Recorded Investment in 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.