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Note 12 - Regulatory Matters (Tables) | 9 Months Ended
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Sep. 30, 2015
Disclosure Text Block [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Minimum Required |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | to be Well |
|  |  |  |  |  |  |  |  |  | Minimum Required |  |  | Capitalized Under |
|  |  |  |  |  |  |  |  |  | for Capital |  |  | Prompt Corrective |
|  | Actual |  |  | Adequacy Purposes |  |  | Action Regulations |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
September 30, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 341,029 |  |  |  | 13.6 | % |  | $ | 200,894 |  |  |  | 8.0 | % |  | $ | NA |  |  |  | NA |
Bank |  |  | 343,288 |  |  |  | 13.7 |  |  |  | 200,989 |  |  |  | 8.0 |  |  |  | 251,236 |  |  |  | 10.0 | %
Tier 1 capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 324,911 |  |  |  | 12.9 |  |  |  | 150,671 |  |  |  | 6.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 327,169 |  |  |  | 13.0 |  |  |  | 150,742 |  |  |  | 6.0 |  |  |  | 200,989 |  |  |  | 8.0 |
Common equity tier 1 (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 275,395 |  |  |  | 11.0 |  |  |  | 113,156 |  |  |  | 4.5 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 327,169 |  |  |  | 13.0 |  |  |  | 113,057 |  |  |  | 4.5 |  |  |  | 163,304 |  |  |  | 6.5 |
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 324,911 |  |  |  | 11.5 |  |  |  | 112,825 |  |  |  | 4.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 327,169 |  |  |  | 11.6 |  |  |  | 112,914 |  |  |  | 4.0 |  |  |  | 141,142 |  |  |  | 5.0 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Minimum Required |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | to be Well |
|  |  |  |  |  |  |  |  |  | Minimum Required |  |  | Capitalized Under |
|  |  |  |  |  |  |  |  |  | for Capital |  |  | Prompt Corrective |
|  | Actual |  |  | Adequacy Purposes |  |  | Action Regulations |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
December 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  | $ | 334,793 |  |  |  | 14.4 | % |  | $ | 185,553 |  |  |  | 8.0 | % |  | $ | NA |  |  |  | NA |
Bank |  |  | 332,749 |  |  |  | 14.4 |  |  |  | 185,309 |  |  |  | 8.0 |  |  |  | 231,636 |  |  |  | 10.0 | %
Tier 1 capital (to risk weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 314,752 |  |  |  | 13.6 |  |  |  | 92,777 |  |  |  | 4.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 312,708 |  |  |  | 13.5 |  |  |  | 92,655 |  |  |  | 4.0 |  |  |  | 138,982 |  |  |  | 6.0 |
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated |  |  | 314,752 |  |  |  | 11.2 |  |  |  | 112,949 |  |  |  | 4.0 |  |  |  | NA |  |  |  | NA |
Bank |  |  | 312,708 |  |  |  | 11.1 |  |  |  | 112,856 |  |  |  | 4.0 |  |  |  | 141,070 |  |  |  | 5.0 |

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