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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Primary Segments of the Loan Portfolio (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
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Loans: |  |
Individually evaluated for impairment | $ 15,532 | $ 18,965
Collectively evaluated for impairment | 452,475 | 416,760
Total loans | 468,007 | 435,725
Commercial and Industrial [Member] |  |
Loans: |  |
Individually evaluated for impairment | 1,567 | 1,891
Collectively evaluated for impairment | 57,307 | 52,607
Total loans | 58,874 | 54,498
Real Estate Construction [Member] |  |
Loans: |  |
Individually evaluated for impairment | 3,459 | 4,011
Collectively evaluated for impairment | 25,828 | 21,590
Total loans | 29,287 | 25,601
Residential Real Estate Mortgage [Member] |  |
Loans: |  |
Individually evaluated for impairment | 5,503 | 5,882
Collectively evaluated for impairment | 218,720 | 204,428
Total loans | 224,223 | 210,310
Commercial Real Estate Mortgage [Member] |  |
Loans: |  |
Individually evaluated for impairment | 4,996 | 7,175
Collectively evaluated for impairment | 144,492 | 133,996
Total loans | 149,488 | 141,171
Consumer Installment [Member] |  |
Loans: |  |
Individually evaluated for impairment | 7 | 6
Collectively evaluated for impairment | 6,128 | 4,139
Total loans | $ 6,135 | $ 4,145

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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
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