Note 4 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) - Past Due and Nonaccrual Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013		Jun. 30, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	$ 4,958	[1]	$ 2,956	[1]
90 or More Days Past Due	4,754	[1]	6,268	[1]
90 or More Days Past Due and Still Accruing	266	[1]	190	[1]	125
Nonaccruals (Including Impaired Nonaccruals)	5,009	[1]	6,584	[1]	11,950
Construction Other [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	42	[1]	45	[1]
90 or More Days Past Due		[1]		[1]
90 or More Days Past Due and Still Accruing		[1]		[1]
Nonaccruals (Including Impaired Nonaccruals)		[1]		[1]
Equity Lines [Member] | Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	72	[1]
90 or More Days Past Due		[1]
90 or More Days Past Due and Still Accruing		[1]
Nonaccruals (Including Impaired Nonaccruals)		[1]
Residential Closed End First Liens [Member] | Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	1,037	[1]	903	[1]
90 or More Days Past Due	332	[1]	252	[1]
90 or More Days Past Due and Still Accruing	233	[1]	128	[1]
Nonaccruals (Including Impaired Nonaccruals)	186	[1]	308	[1]
Residential Closed End Junior Liens [Member] | Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	111	[1]	10	[1]
90 or More Days Past Due		[1]		[1]
90 or More Days Past Due and Still Accruing		[1]		[1]
Nonaccruals (Including Impaired Nonaccruals)		[1]		[1]
Investor-Owned Residential Real Estate [Member] | Consumer Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	269	[1]	422	[1]
90 or More Days Past Due		[1]	91	[1]
90 or More Days Past Due and Still Accruing		[1]		[1]
Nonaccruals (Including Impaired Nonaccruals)	16	[1]	91	[1]
Multifamily Real Estate [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	722	[1]	430	[1]
90 or More Days Past Due	2,823	[1]	3,278	[1]
90 or More Days Past Due and Still Accruing		[1]		[1]
Nonaccruals (Including Impaired Nonaccruals)	2,823	[1]	3,278	[1]
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	1,347	[1]	604	[1]
90 or More Days Past Due	1,566	[1]	2,519	[1]
90 or More Days Past Due and Still Accruing		[1]		[1]
Nonaccruals (Including Impaired Nonaccruals)	1,913	[1]	2,756	[1]
Commercial and Industrial [Member] | Commercial Non Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	880	[1]	196	[1]
90 or More Days Past Due		[1]	43	[1]
90 or More Days Past Due and Still Accruing		[1]		[1]
Nonaccruals (Including Impaired Nonaccruals)	71	[1]	128	[1]
Credit Card Receivable [Member] | Consumer Non Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	45	[1]	3	[1]
90 or More Days Past Due	7	[1]	13	[1]
90 or More Days Past Due and Still Accruing	7	[1]	13	[1]
Nonaccruals (Including Impaired Nonaccruals)		[1]		[1]
Automobile [Member] | Consumer Non Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	347	[1]	217	[1]
90 or More Days Past Due	26	[1]	26	[1]
90 or More Days Past Due and Still Accruing	26	[1]	2	[1]
Nonaccruals (Including Impaired Nonaccruals)		[1]	23	[1]
Other Consumer Loans [Member] | Consumer Non Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due	86	[1]	49	[1]
90 or More Days Past Due		[1]	46	[1]
90 or More Days Past Due and Still Accruing		[1]	47	[1]
Nonaccruals (Including Impaired Nonaccruals)		[1]		[1]
Construction Residential [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due			45	[1]
90 or More Days Past Due				[1]
90 or More Days Past Due and Still Accruing				[1]
Nonaccruals (Including Impaired Nonaccruals)				[1]
Commercial Real Estate, Other [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30 – 89 Days Past Due			32	[1]
90 or More Days Past Due				[1]
90 or More Days Past Due and Still Accruing				[1]
Nonaccruals (Including Impaired Nonaccruals)				[1]

[1] Only classes with past-due or nonaccrual loans are shown.