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Note 7 - Classes of the Loan Portfolio Summarized by Nonaccrual Loans and Still Accruing (Details) - USD ($) | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Commercial And Industrial [Member] |  |
Loans, nonacrrual status | $ 965,000 | $ 1,450,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Real Estate Construction Porfolio Segment [Member] |  |
Loans, nonacrrual status | 34,000 | 130,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |
Loans, nonacrrual status | 3,949,000 | 4,122,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing |  | 0
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |
Loans, nonacrrual status | 1,714,000 | 1,842,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Consumer Portfolio Segment [Member] |  |
Loans, nonacrrual status |  | 1,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 2,000 | 2,000
Loans, nonacrrual status | 6,662,000 | 7,545,000
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | $ 0 | $ 2,000

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- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524 + Details
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