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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Impaired Loans by Class - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
With no related allowance recorded: |  |
Recorded investment, with no related allowance | $ 6,793 | $ 10,119
Unpaid principal balance, with no related allowance | 6,787 | 10,107
With an allowance recorded: |  |
Recorded investment, with related allowance | 5,109 | 4,249
Unpaid principal balance, with related allowance | 5,101 | 4,246
Related allowance | 625 | 1,596
Total: |  |
Recorded investment | 11,902 | 14,368
Unpaid principal balance | 11,888 | 14,353
Related allowance | 625 | 1,596
Residential Loan [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance |  | 2,202
Unpaid principal balance, with no related allowance |  | 2,197
Commercial Loans [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance |  | 4,064
Unpaid principal balance, with no related allowance |  | 4,060
With an allowance recorded: |  |
Recorded investment, with related allowance | 2,204 |
Unpaid principal balance, with related allowance | 2,198 |
Related allowance | 86 |
Total: |  |
Related allowance | 86 |
Commercial and Industrial [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 675 | 1,146
Unpaid principal balance, with no related allowance | 673 | 1,145
With an allowance recorded: |  |
Recorded investment, with related allowance | 928 | 247
Unpaid principal balance, with related allowance | 926 | 247
Related allowance | 119 | 83
Total: |  |
Recorded investment | 1,603 | 1,393
Unpaid principal balance | 1,599 | 1,392
Related allowance | 119 | 83
Real Estate Construction Porfolio Segment [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 1,735 | 2,707
Unpaid principal balance, with no related allowance | 1,734 | 2,705
With an allowance recorded: |  |
Recorded investment, with related allowance | 152 | 589
Unpaid principal balance, with related allowance | 152 | 589
Related allowance | 153 | 589
Total: |  |
Recorded investment | 1,887 | 3,296
Unpaid principal balance | 1,886 | 3,294
Related allowance | 153 | 589
Real Estate Construction Porfolio Segment [Member] | Residential Loan [Member] |  |
With an allowance recorded: |  |
Recorded investment, with related allowance | 1,825 |
Unpaid principal balance, with related allowance | 1,825 |
Related allowance | 267 |
Total: |  |
Related allowance | 267 |
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 2,100 |
Unpaid principal balance, with no related allowance | 2,098 |
With an allowance recorded: |  |
Recorded investment, with related allowance |  | 2,981
Unpaid principal balance, with related allowance |  | 2,978
Related allowance | 267 | 892
Total: |  |
Recorded investment | 3,925 | 5,183
Unpaid principal balance | 3,923 | 5,175
Related allowance | 267 | 892
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 2,277 |
Unpaid principal balance, with no related allowance | 2,276 |
With an allowance recorded: |  |
Recorded investment, with related allowance |  | 426
Unpaid principal balance, with related allowance |  | 426
Related allowance | 86 | 30
Total: |  |
Recorded investment | 4,481 | 4,490
Unpaid principal balance | 4,474 | 4,486
Related allowance | 86 | 30
Consumer Portfolio Segment [Member] |  |
With an allowance recorded: |  |
Recorded investment, with related allowance | 6 | 6
Unpaid principal balance, with related allowance | 6 | 6
Related allowance |  | 2
Total: |  |
Recorded investment | 6 | 6
Unpaid principal balance | $ 6 | 6
Related allowance |  | $ 2

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524 + Details
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