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Note 7 - Loans and Realted Allowance for Loan and Lease Losses - Primary Segments of the Loan Portfolio (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
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Commercial And Industrial [Member] |  |
Individually evaluated for impairment | $ 844 | $ 1,808
Collectively evaluated for impairment | 58,532 | 40,728
Total loans | 59,376 | 42,536
Real Estate Construction Porfolio Segment [Member] |  |
Individually evaluated for impairment | 1,093 | 1,787
Collectively evaluated for impairment | 16,540 | 20,350
Total loans | 17,633 | 22,137
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |
Individually evaluated for impairment | 3,238 | 3,881
Collectively evaluated for impairment | 255,714 | 228,597
Total loans | 258,952 | 232,478
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |
Individually evaluated for impairment | 6,466 | 6,199
Collectively evaluated for impairment | 239,170 | 225,502
Total loans | 245,636 | 231,701
Consumer Portfolio Segment [Member] |  |
Individually evaluated for impairment | 5 | 6
Collectively evaluated for impairment | 4,727 | 4,852
Total loans | 4,732 | 4,858
Individually evaluated for impairment | 11,646 | 13,681
Collectively evaluated for impairment | 574,683 | 520,029
Total loans | $ 586,329 | $ 533,710

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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=66008989&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=66008989&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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 Reference 2: 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=66008989&loc=d3e5074-111524 + Details
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