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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Impaired Loans by Class - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
With no related allowance recorded: |  |
Recorded investment, with no related allowance | $ 6,827 | $ 10,119
Unpaid principal balance, with no related allowance | 6,816 | 10,107
With an allowance recorded: |  |
Recorded investment, with related allowance | 11,323 | 4,249
Unpaid principal balance, with related allowance | 11,300 | 4,246
Related allowance | 843 | 1,596
Total: |  |
Recorded investment | 18,150 | 14,368
Unpaid principal balance | 18,116 | 14,353
Related allowance | 843 | 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
Commercial and Industrial [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 615 | 1,146
Unpaid principal balance, with no related allowance | 613 | 1,145
With an allowance recorded: |  |
Recorded investment, with related allowance | 1,037 | 247
Unpaid principal balance, with related allowance | 1,035 | 247
Related allowance | 137 | 83
Total: |  |
Recorded investment | 1,652 | 1,393
Unpaid principal balance | 1,648 | 1,392
Related allowance | 137 | 83
Real Estate Construction Porfolio Segment [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 2,198 | 2,707
Unpaid principal balance, with no related allowance | 2,194 | 2,705
With an allowance recorded: |  |
Recorded investment, with related allowance | 946 | 589
Unpaid principal balance, with related allowance | 942 | 589
Related allowance | 211 | 589
Total: |  |
Recorded investment | 3,144 | 3,296
Unpaid principal balance | 3,136 | 3,294
Related allowance | 211 | 589
Real Estate Mortgage Portfolio Segment [Member] | Residential Loan [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 2,728 |
Unpaid principal balance, with no related allowance | 2,725 |
With an allowance recorded: |  |
Recorded investment, with related allowance | 1,720 | 2,981
Unpaid principal balance, with related allowance | 1,719 | 2,978
Related allowance | 346 | 892
Total: |  |
Recorded investment | 4,448 | 5,183
Unpaid principal balance | 4,444 | 5,175
Related allowance | 346 | 892
Real Estate Mortgage Portfolio Segment [Member] | Commercial Loans [Member] |  |
With no related allowance recorded: |  |
Recorded investment, with no related allowance | 1,286 |
Unpaid principal balance, with no related allowance | 1,284 |
With an allowance recorded: |  |
Recorded investment, with related allowance | 7,614 | 426
Unpaid principal balance, with related allowance | 7,598 | 426
Related allowance | 149 | 30
Total: |  |
Recorded investment | 8,900 | 4,490
Unpaid principal balance | 8,882 | 4,486
Related allowance | 149 | 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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