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Note 2 - Investment Securities (Tables) | 9 Months Ended
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Sep. 30, 2014
Disclosure Text Block Supplement [Abstract] |
Marketable Securities [Table Text Block] |
(In thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
September 30, 2014 |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 30,408 |  |  | $ | 173 |  |  | $ | 160 |  |  | $ | 30,421 |
Agency CMO |  |  | 15,813 |  |  |  | 108 |  |  |  | 205 |  |  |  | 15,716 |
Other debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency notes and bonds |  |  | 22,555 |  |  |  | 35 |  |  |  | 162 |  |  |  | 22,428 |
Municipal obligations |  |  | 30,884 |  |  |  | 1,172 |  |  |  | 135 |  |  |  | 31,921 |
Subtotal - debt securities |  |  | 99,660 |  |  |  | 1,488 |  |  |  | 662 |  |  |  | 100,486 |
Mutual funds |  |  | 5 |  |  |  | 0 |  |  |  | 0 |  |  |  | 5 |
Total securities available for sale |  | $ | 99,665 |  |  | $ | 1,488 |  |  | $ | 662 |  |  | $ | 100,491 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 7 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 7 |
Total securities held to maturity |  | $ | 7 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 7 |
December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 18,408 |  |  | $ | 205 |  |  | $ | 244 |  |  | $ | 18,369 |
Agency CMO |  |  | 20,486 |  |  |  | 96 |  |  |  | 341 |  |  |  | 20,241 |
Other debt securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency notes and bonds |  |  | 31,594 |  |  |  | 49 |  |  |  | 729 |  |  |  | 30,914 |
Municipal obligations |  |  | 36,200 |  |  |  | 778 |  |  |  | 938 |  |  |  | 36,040 |
Subtotal - debt securities |  |  | 106,688 |  |  |  | 1,128 |  |  |  | 2,252 |  |  |  | 105,564 |
Mutual funds |  |  | 3,238 |  |  |  | 0 |  |  |  | 40 |  |  |  | 3,198 |
Total securities available for sale |  | $ | 109,926 |  |  | $ | 1,128 |  |  | $ | 2,292 |  |  | $ | 108,762 |
Securities held to maturity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency mortgage-backed securities |  | $ | 9 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 9 |
Total securities held to maturity |  | $ | 9 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 9 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Securities Available for Sale |  |  | Securities Held to Maturity |
|  | Amortized Cost |  |  | Fair Value |  |  | Amortized Cost |  |  | Fair Value |
(In thousands) |  |  |  |  |  |  |  |  |  |  |  |
Due in one year or less |  | $ | 120 |  |  | $ | 122 |  |  | $ | 0 |  |  | $ | 0 |
Due after one year through five years |  |  | 13,653 |  |  |  | 13,782 |  |  |  | 0 |  |  |  | 0 |
Due after five years through ten years |  |  | 23,602 |  |  |  | 23,945 |  |  |  |  |  |  |  |  |
Due after ten years |  |  | 16,064 |  |  |  | 16,500 |  |  |  | 0 |  |  |  | 0 |
|  |  | 53,439 |  |  |  | 54,349 |  |  |  | 0 |  |  |  | 0 |
Mortgage-backed securities and CMO |  |  | 46,221 |  |  |  | 46,137 |  |  |  | 7 |  |  |  | 7 |
|  | $ | 99,660 |  |  | $ | 100,486 |  |  | $ | 7 |  |  | $ | 7 |
Schedule of Unrealized Loss on Investments [Table Text Block] |
|  | Number of Investment Positions |  |  | Fair Value |  |  | Gross Unrealized Losses |
(Dollars in thousands) |  |  |  |  |  |  |  |  |
Continuous loss position less than twelve months: |  |  |  |  |  |  |  |  |
Agency notes and bonds |  |  | 5 |  |  | $ | 2,013 |  |  | $ | 4 |
Agency CMO |  |  | 2 |  |  |  | 1,620 |  |  |  | 8 |
Agency mortgage-backed securities |  |  | 20 |  |  |  | 15,653 |  |  |  | 75 |
Muncipal obligations |  |  | 2 |  |  |  | 323 |  |  |  | 1 |
Total less than twelve months |  |  | 29 |  |  |  | 19,609 |  |  |  | 88 |
Continuous loss position more than twelve months: |  |  |  |  |  |  |  |  |  |  |  |
Agency notes and bonds |  |  | 10 |  |  |  | 11,473 |  |  |  | 158 |
Agency CMO |  |  | 10 |  |  |  | 8,187 |  |  |  | 197 |
Agency mortgage-backed securities |  |  | 7 |  |  |  | 6,192 |  |  |  | 85 |
Muncipal obligations |  |  | 16 |  |  |  | 7,300 |  |  |  | 134 |
Total more than twelve months |  |  | 43 |  |  |  | 33,152 |  |  |  | 574 |
Total securities available for sale |  |  | 72 |  |  | $ | 52,761 |  |  | $ | 662 |

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