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Note 2 - Investment Securities (Details) - Investment Debt Securities by Contractual Maturity - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Maturity: |  |
U.S. Government agency bonds 5 years | $ (232) |
U.S. Government agency bonds 5 to 10 years | 232 |
U.S. Government agency mortgage-backed securities | (232) |
Total | 31,872 | $ 34,135
Total | 31,640 | 33,682
Corporate Bonds 5 to 10 Years [Member] |  |
Maturity: |  |
Corporate bonds 5 to 10 years | 9,000 |
Corporate bonds 5 to 10 years | 9,036 |
Corporate bonds 5 to 10 years | 36 |
U.S. Government agency bonds 5 to 10 years | 9,000 |
U.S. Government agency bonds 5 to 10 years | 9,036 |
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 | 2,494 |
U.S. Government agency bonds 5 years | (6) |
U.S. Government agency bonds 5 to 10 years | 6 |
U.S. Government agency mortgage-backed securities | (6) |
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 | 4,935 |
U.S. Government agency bonds 5 years | 65 |
U.S. Government agency bonds 5 to 10 years | 5,000 |
U.S. Government agency bonds 5 to 10 years | 4,935 |
U.S. Government agency bonds 5 to 10 years | (65) |
U.S. Government agency mortgage-backed securities | 65 |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Maturity: |  |
U.S. Government agency bonds 5 years | (197) |
U.S. Government agency bonds 5 to 10 years | 197 |
U.S. Government agency mortgage-backed securities | 15,372 |
U.S. Government agency mortgage-backed securities | 15,175 |
U.S. Government agency mortgage-backed securities | (197) |
Total | 15,372 | 17,635
Total | $ 15,175 | $ 17,337

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