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Note 2 - Investment Securities (Details) - Investment Debt Securities by Contractual Maturity - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Maturity: |  |
U.S. Government agency bonds 5 to 10 years | $ 110 |
U.S. Government agency mortgage-backed securities | (110) |
Total | 30,829 | $ 34,135
Total | 30,719 | 33,682
Total | (110) |
Corporate Bonds 5 to 10 Years [Member] |  |
Maturity: |  |
Corporate bonds 5 to 10 years | 9,000 |
Corporate bonds 5 to 10 years | 9,016 |
Corporate bonds 5 to 10 years | 16 |
U.S. Government agency bonds 5 to 10 years | 9,000 |
U.S. Government agency bonds 5 to 10 years | 9,016 |
US Government Agencies Debt Securities 5 Years [Member] |  |
Maturity: |  |
U.S. Government agency bonds 5 years | 2,500 |
U.S. Government agency bonds 5 years | 2,500 |
US Government Agencies Debt Securities 5 to 10 Years [Member] |  |
Maturity: |  |
Corporate bonds 5 to 10 years | 5,000 |
Corporate bonds 5 to 10 years | 5,001 |
U.S. Government agency bonds 5 to 10 years | 5,000 |
U.S. Government agency bonds 5 to 10 years | 5,001 |
U.S. Government agency bonds 5 to 10 years | 1 |
U.S. Government agency mortgage-backed securities | (1) |
Total | (1) |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Maturity: |  |
U.S. Government agency bonds 5 to 10 years | 127 |
U.S. Government agency mortgage-backed securities | 14,329 |
U.S. Government agency mortgage-backed securities | 14,202 |
U.S. Government agency mortgage-backed securities | (127) |
Total | 14,329 | 17,635
Total | 14,202 | $ 17,337
Total | $ (127) |

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