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Note 14 - Equity Compensation Plan (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  | Number of restricted shares |  | Weighted average grant date fair value per non-vested share
Non-vested, January 1, 2016 |  |  | 115,356 |  |  |  | 7.58 |
Vested |  |  | 57,678 |  |  |  | 7.58 |
Forfeited |  |  | — |  |  |  | — |
Non-vested, December 31, 2016 |  |  | 57,678 |  |  |  | 7.58 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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