Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Classified and Unclassified Loans (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 376,379	$ 376,379	$ 396,049
1-4 Family [Member] | Classified [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		738
1-4 Family [Member] | Classified [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5,470		6,987
1-4 Family [Member] | Classified [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	856		322
1-4 Family [Member] | Classified [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
1-4 Family [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	6,326		8,047
1-4 Family [Member] | Unclassified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	65,264		68,420
1-4 Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	71,590		76,467
Residential Developments [Member] | Classified [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Residential Developments [Member] | Classified [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	10,319		19,229
Residential Developments [Member] | Classified [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Residential Developments [Member] | Classified [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Residential Developments [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	10,319		19,229
Residential Developments [Member] | Unclassified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	13,898		13,755
Residential Developments [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	24,217		32,984
Commercial Real Estate Other [Member] | Classified [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	229		5,337
Commercial Real Estate Other [Member] | Classified [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	9,171		13,092
Commercial Real Estate Other [Member] | Classified [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Commercial Real Estate Other [Member] | Classified [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Commercial Real Estate Other [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	9,400		18,429
Commercial Real Estate Other [Member] | Unclassified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	154,398		143,037
Commercial Real Estate Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	163,798		161,466
Consumer [Member] | Classified [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Consumer [Member] | Classified [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	495		524
Consumer [Member] | Classified [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	151		152
Consumer [Member] | Classified [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	301		240
Consumer [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	947		916
Consumer [Member] | Unclassified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	53,884		52,507
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	54,831		53,423
Construction Industry [Member] | Classified [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Construction Industry [Member] | Classified [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	445		401
Construction Industry [Member] | Classified [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Construction Industry [Member] | Classified [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Construction Industry [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	445		401
Construction Industry [Member] | Unclassified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5,463		5,933
Construction Industry [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5,908		6,334
Commercial Business Other [Member] | Classified [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	671		1,419
Commercial Business Other [Member] | Classified [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,198		6,433
Commercial Business Other [Member] | Classified [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Commercial Business Other [Member] | Classified [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0		0
Commercial Business Other [Member] | Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,869		7,852
Commercial Business Other [Member] | Unclassified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	53,166		57,523
Commercial Business Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	56,035		65,375
Classified [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	900		7,494
Classified [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	28,098		46,666
Classified [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,007		474
Classified [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	301		240
Classified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	30,306		54,874
Unclassified [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 346,073		$ 341,175