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Note 7 - Loans and Related Allowance for Loan and Lease Losses (Details) - Impaired Loans by Class (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
With no related allowance recorded:
Impaired loans with no related allowance recorded investment	$ 12,214	$ 9,284
Impaired loans with no related allowance unpaid principal balance	12,327	9,472
With an allowance recorded:
Impaired loans with related allowance recorded investment	4,678	9,681
Impaired loans with related allowance unpaid principal balance	4,717	9,720
Impaired loans, related allowance	1,382	1,807
Total:
Impaired loans recorded investment	16,892	18,965
Impaired loans unpaid principal balance	17,044	19,192
Impaired loans, related allowance	1,382	1,807
Commercial and Industrial [Member]
With no related allowance recorded:
Impaired loans with no related allowance recorded investment	2,402	1,357
Impaired loans with no related allowance unpaid principal balance	2,402	1,357
With an allowance recorded:
Impaired loans with related allowance recorded investment		534
Impaired loans with related allowance unpaid principal balance		534
Impaired loans, related allowance	221	179
Total:
Impaired loans recorded investment	2,929	1,891
Impaired loans unpaid principal balance	2,929	1,891
Impaired loans, related allowance	221	179
Real Estate Construction [Member]
With no related allowance recorded:
Impaired loans with no related allowance recorded investment	3,058	124
Impaired loans with no related allowance unpaid principal balance	3,058	124
With an allowance recorded:
Impaired loans with related allowance recorded investment	637	3,887
Impaired loans with related allowance unpaid principal balance	637	3,887
Impaired loans, related allowance	153	210
Total:
Impaired loans recorded investment	3,695	4,011
Impaired loans unpaid principal balance	3,695	4,011
Impaired loans, related allowance	153	210
Residential Real Estate Mortgage [Member]
With no related allowance recorded:
Impaired loans with no related allowance recorded investment	2,670	2,704
Impaired loans with no related allowance unpaid principal balance	2,783	2,892
With an allowance recorded:
Impaired loans with related allowance recorded investment	2,427	3,178
Impaired loans with related allowance unpaid principal balance	2,466	3,217
Impaired loans, related allowance	798	855
Total:
Impaired loans recorded investment	5,097	5,882
Impaired loans unpaid principal balance	5,249	6,109
Impaired loans, related allowance	798	855
Commercial Real Estate Mortgage [Member]
With no related allowance recorded:
Impaired loans with no related allowance recorded investment	4,073	5,093
Impaired loans with no related allowance unpaid principal balance	4,073	5,093
With an allowance recorded:
Impaired loans with related allowance recorded investment	1,080	2,082
Impaired loans with related allowance unpaid principal balance	1,080	2,082
Impaired loans, related allowance	198	563
Total:
Impaired loans recorded investment	5,153	7,175
Impaired loans unpaid principal balance	5,153	7,175
Impaired loans, related allowance	198	563
Consumer Installment [Member]
With no related allowance recorded:
Impaired loans with no related allowance recorded investment	11	6
Impaired loans with no related allowance unpaid principal balance	11	6
With an allowance recorded:
Impaired loans with related allowance recorded investment	7
Impaired loans with related allowance unpaid principal balance	7
Impaired loans, related allowance	12
Total:
Impaired loans recorded investment	18	6
Impaired loans unpaid principal balance	18	6
Impaired loans, related allowance	12
Commercial and Industrial [Member]
With an allowance recorded:
Impaired loans with related allowance recorded investment	527
Impaired loans with related allowance unpaid principal balance	527
Impaired loans, related allowance	221
Total:
Impaired loans, related allowance	$ 221

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

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Amount of allowance for credit losses related to recorded investment.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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-Section 50

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-Subparagraph (a)(4)

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-Name Accounting Standards Codification

-Topic 310

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-Subparagraph (a)(4)

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