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Note 6 - Investment Securities Available For Sale (Tables) | 6 Months Ended
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Jun. 30, 2014
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-sale Securities Reconciliation [Table Text Block] |
|  | June 30, 2014 |
|  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(Dollar amounts in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. government agency securities |  | $ | 25,665 |  |  | $ | 245 |  |  | $ | (849 | ) |  | $ | 25,061 |
Obligations of states and political subdivisions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Taxable |  |  | 2,957 |  |  |  | 122 |  |  |  | - |  |  |  | 3,079 |
Tax-exempt |  |  | 94,530 |  |  |  | 2,852 |  |  |  | (1,689 | ) |  |  | 95,693 |
Mortgage-backed securities in government-sponsored entities |  |  | 37,279 |  |  |  | 813 |  |  |  | (493 | ) |  |  | 37,599 |
Private-label mortgage-backed securities |  |  | 3,026 |  |  |  | 292 |  |  |  | - |  |  |  | 3,318 |
Total debt securities |  |  | 163,457 |  |  |  | 4,324 |  |  |  | (3,031 | ) |  |  | 164,750 |
Equity securities in financial institutions |  |  | 750 |  |  |  | 6 |  |  |  | - |  |  |  | 756 |
Total |  | $ | 164,207 |  |  | $ | 4,330 |  |  | $ | (3,031 | ) |  | $ | 165,506 |
|  | December 31, 2013 |
|  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(Dollar amounts in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
U.S. government agency securities |  | $ | 27,289 |  |  | $ | 135 |  |  | $ | (1,661 | ) |  | $ | 25,763 |
Obligations of states and political subdivisions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Taxable |  |  | 3,787 |  |  |  | 46 |  |  |  | (38 | ) |  |  | 3,795 |
Tax-exempt |  |  | 86,524 |  |  |  | 1,562 |  |  |  | (3,267 | ) |  |  | 84,819 |
Mortgage-backed securities in government-sponsored entities |  |  | 38,816 |  |  |  | 535 |  |  |  | (1,028 | ) |  |  | 38,323 |
Private-label mortgage-backed securities |  |  | 3,366 |  |  |  | 327 |  |  |  | - |  |  |  | 3,693 |
Total debt securities |  |  | 159,782 |  |  |  | 2,605 |  |  |  | (5,994 | ) |  |  | 156,393 |
Equity securities in financial institutions |  |  | 750 |  |  |  | - |  |  |  | - |  |  |  | 750 |
Total |  | $ | 160,532 |  |  | $ | 2,605 |  |  | $ | (5,994 | ) |  | $ | 157,143 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Amortized |  |  | Fair |
(Dollar amounts in thousands) |  | Cost |  |  | Value |
Due in one year or less |  | $ | 684 |  |  | $ | 694 |
Due after one year through five years |  |  | 4,774 |  |  |  | 4,996 |
Due after five years through ten years |  |  | 23,549 |  |  |  | 23,871 |
Due after ten years |  |  | 134,450 |  |  |  | 135,189 |
Total |  | $ | 163,457 |  |  | $ | 164,750 |
Realized Gain (Loss) on Investments [Table Text Block] |
(Dollar amounts in thousands) |  | For the Three Months Ended June 30, |  |  | For the Six Months Ended June 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Proceeds from sales |  | $ | 980 |  |  | $ | 533 |  |  | $ | 1,494 |  |  | $ | 8,135 |
Gross realized gains |  |  | 64 |  |  |  | - |  |  |  | 64 |  |  |  | 204 |
Gross realized losses |  |  | - |  |  |  | (10 | ) |  |  | (6 | ) |  |  | (29 | )
Schedule of Unrealized Loss on Investments [Table Text Block] |
|  | June 30, 2014 |
|  | Less than Twelve Months |  |  | Twelve Months or Greater |  |  | Total |
|  |  |  |  |  | Gross |  |  |  |  |  |  | Gross |  |  |  |  |  |  | Gross |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(Dollar amounts in thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. government agency securities |  | $ | - |  |  | $ | - |  |  | $ | 16,599 |  |  | $ | (849 | ) |  | $ | 16,599 |  |  | $ | (849 | )
Obligations of states and political subdivisions |  |  | 9,511 |  |  |  | (104 | ) |  |  | 19,616 |  |  |  | (1,585 | ) |  |  | 29,127 |  |  |  | (1,689 | )
Mortgage-backed securities in government-sponsored entities |  |  | 1,075 |  |  |  | (3 | ) |  |  | 20,334 |  |  |  | (490 | ) |  |  | 21,409 |  |  |  | (493 | )
Total |  | $ | 10,586 |  |  | $ | (107 | ) |  | $ | 56,549 |  |  | $ | (2,924 | ) |  | $ | 67,135 |  |  | $ | (3,031 | )
|  | December 31, 2013 |
|  | Less than Twelve Months |  |  | Twelve Months or Greater |  |  | Total |
|  |  |  |  |  | Gross |  |  |  |  |  |  | Gross |  |  |  |  |  |  | Gross |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
(Dollar amounts in thousands) |  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
U.S. government agency securities |  | $ | 13,130 |  |  | $ | (929 | ) |  | $ | 7,166 |  |  | $ | (732 | ) |  | $ | 20,295 |  |  | $ | (1,661 | )
Obligations of states and political subdivisions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Taxable |  |  | 1,301 |  |  |  | (38 | ) |  |  | - |  |  |  | - |  |  |  | 1,301 |  |  |  | (38 | )
Tax-exempt |  |  | 26,743 |  |  |  | (2,883 | ) |  |  | 2,678 |  |  |  | (383 | ) |  |  | 29,421 |  |  |  | (3,267 | )
Mortgage-backed securities in government-sponsored entities |  |  | 18,082 |  |  |  | (757 | ) |  |  | 5,248 |  |  |  | (271 | ) |  |  | 23,330 |  |  |  | (1,028 | )
Total |  | $ | 59,255 |  |  | $ | (4,608 | ) |  | $ | 15,092 |  |  | $ | (1,386 | ) |  | $ | 74,347 |  |  | $ | (5,994 | )

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