Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Classified and Unclassified Loans (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 409,839	$ 475,773
Classified [Member] | 1-4 Family [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	746	1,004
Classified [Member] | 1-4 Family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	8,904	13,915
Classified [Member] | 1-4 Family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	33
Classified [Member] | 1-4 Family [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | 1-4 Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	9,650	14,952
Classified [Member] | Residential Developments [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	744
Classified [Member] | Residential Developments [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	26,094	36,210
Classified [Member] | Residential Developments [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Residential Developments [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Residential Developments [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	26,094	36,954
Classified [Member] | Commercial Real Estate Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	17,513	17,170
Classified [Member] | Commercial Real Estate Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	22,038	30,365
Classified [Member] | Commercial Real Estate Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Commercial Real Estate Other [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Commercial Real Estate Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	39,551	47,535
Classified [Member] | Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	439	1,543
Classified [Member] | Consumer [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	60	123
Classified [Member] | Consumer [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	247	157
Classified [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	746	1,823
Classified [Member] | Construction Industry [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Construction Industry [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	325	320
Classified [Member] | Construction Industry [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Construction Industry [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Construction Industry [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	325	320
Classified [Member] | Commercial Business Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	574	1,224
Classified [Member] | Commercial Business Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	8,711	12,628
Classified [Member] | Commercial Business Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	134
Classified [Member] | Commercial Business Other [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	0	0
Classified [Member] | Commercial Business Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	9,285	13,986
Classified [Member] | Loans Receivable [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	18,833	20,142
Classified [Member] | Loans Receivable [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	66,511	94,981
Classified [Member] | Loans Receivable [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	60	290
Classified [Member] | Loans Receivable [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	247	157
Classified [Member] | Loans Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	85,651	115,570
Unclassified [Member] | 1-4 Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	68,931	82,085
Unclassified [Member] | Residential Developments [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	11,331	9,389
Unclassified [Member] | Commercial Real Estate Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	130,485	151,029
Unclassified [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	52,668	52,152
Unclassified [Member] | Construction Industry [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	6,355	2,346
Unclassified [Member] | Commercial Business Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	54,418	63,202
Unclassified [Member] | Loans Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	324,188	360,203
1-4 Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	78,581	97,037
Residential Developments [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	37,425	46,343
Commercial Real Estate Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	170,036	198,564
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	53,414	53,975
Construction Industry [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	6,680	2,666
Commercial Business Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	63,703	77,188
Loans Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable	$ 409,839	$ 475,773