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Note 12 - Employee Benefits (Tables) | 12 Months Ended
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Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract] |
Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block] |
|  | Years ended December 31 |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Number of shares issued |  |  | ---- |  |  |  | 14,618 |  |  |  | 28,634 |
Fair value of stock contributed |  | $ | ---- |  |  | $ | 351 |  |  | $ | 640 |
Cash contributed |  |  | 674 |  |  |  | 300 |  |  |  | 73 |
Total expense |  | $ | 674 |  |  | $ | 651 |  |  | $ | 713 |

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- Definition Tabular disclosure of the details pertaining to each employee stock ownership plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 + Details
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