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Note 10 - Fair Values Of Financial Instruments (Tables) | 3 Months Ended
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Mar. 31, 2014
Fair Value Of Financial Instruments [Abstract] |
Fair Value, by Balance Sheet Grouping [Table Text Block] |
|  | Level in |  |  | March 31, 2014 |  |  | December 31, 2013 |
|  | Fair Value |  |  | Carrying |  |  | Fair |  |  | Carrying |  |  | Fair |
|  | Hierarchy |  |  | Values |  |  | Values |  |  | Values |  |  | Values |
Financial assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | Level 1 |  |  | $ | 1,699 |  |  | $ | 1,699 |  |  | $ | 1,464 |  |  | $ | 1,464 |
Cash equivalents |  | Level 2 |  |  |  | 108,248 |  |  |  | 108,248 |  |  |  | 145,501 |  |  |  | 145,501 |
Securities available for sale |  | (1) |  |  |  | 141,097 |  |  |  | 141,097 |  |  |  | 131,178 |  |  |  | 131,178 |
FHLB stock |  | (2) |  |  |  | 11,961 |  |  |  | 11,961 |  |  |  | 11,961 |  |  |  | 11,961 |
Loans, net |  | Level 3 |  |  |  | 1,045,842 |  |  |  | 1,045,151 |  |  |  | 1,030,422 |  |  |  | 1,027,300 |
Bank owned life insurance |  | Level 2 |  |  |  | 51,667 |  |  |  | 51,667 |  |  |  | 51,377 |  |  |  | 51,377 |
Accrued interest receivable |  | Level 2 |  |  |  | 3,861 |  |  |  | 3,861 |  |  |  | 3,649 |  |  |  | 3,649 |
Financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits |  | Level 2 |  |  |  | 1,108,251 |  |  |  | 1,110,957 |  |  |  | 1,118,911 |  |  |  | 1,120,576 |
Repurchase agreements |  | Level 2 |  |  |  | 63,165 |  |  |  | 63,165 |  |  |  | 69,305 |  |  |  | 69,305 |
FHLB advances |  | Level 2 |  |  |  | 45,000 |  |  |  | 45,035 |  |  |  | 45,000 |  |  |  | 45,139 |
Subordinated debentures |  | Level 2 |  |  |  | 32,990 |  |  |  | 32,959 |  |  |  | 32,990 |  |  |  | 32,974 |
Accrued interest payable |  | Level 2 |  |  |  | 1,431 |  |  |  | 1,431 |  |  |  | 2,041 |  |  |  | 2,041 |
Interest rate swap |  | (1) |  |  |  | 250 |  |  |  | 250 |  |  |  | 264 |  |  |  | 264 |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 + Details
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