Note 10 - Allowance for Loan Losses and Credit Quality Information (Details) - Aging of Past Due Loans (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 1,590	$ 3,298
60-89 Days Past Due	1,028	426
90 Days or More Past Due	742	7,835
Total Past Due	3,360	11,559
Current Loans	406,479	464,214
Total Loans	409,839	475,773
Loans 90 Days or More Past Due and Still Accruing	0	7,423
1-4 Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	878	1,172
60-89 Days Past Due	930	240
90 Days or More Past Due	0	0
Total Past Due	1,808	1,412
Current Loans	76,773	95,625
Total Loans	78,581	97,037
Loans 90 Days or More Past Due and Still Accruing	0	0
Residential Developments [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	256	0
60-89 Days Past Due	0	0
90 Days or More Past Due	739	0
Total Past Due	995	0
Current Loans	36,430	46,343
Total Loans	37,425	46,343
Loans 90 Days or More Past Due and Still Accruing	0	0
Commercial Real Estate Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	101	49
60-89 Days Past Due	0	0
90 Days or More Past Due	0	289
Total Past Due	101	338
Current Loans	169,935	198,226
Total Loans	170,036	198,564
Loans 90 Days or More Past Due and Still Accruing	0	0
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	355	591
60-89 Days Past Due	98	80
90 Days or More Past Due	3	0
Total Past Due	456	671
Current Loans	52,958	53,304
Total Loans	53,414	53,975
Loans 90 Days or More Past Due and Still Accruing	0	0
Construction Industry [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	45
60-89 Days Past Due	0	0
90 Days or More Past Due	0	79
Total Past Due	0	124
Current Loans	6,680	2,542
Total Loans	6,680	2,666
Loans 90 Days or More Past Due and Still Accruing	0	0
Commercial Business Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	1,441
60-89 Days Past Due	0	106
90 Days or More Past Due	0	7,467
Total Past Due	0	9,014
Current Loans	63,703	68,174
Total Loans	63,703	77,188
Loans 90 Days or More Past Due and Still Accruing	$ 0	$ 7,423