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Note 9 - Intangible Assets and Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | (Dollars in thousands) |
Year ending December 31: |  |  |  |
2018 |  | $ | 7,129 |
2019 |  |  | 7,056 |
2020 |  |  | 6,739 |
2021 |  |  | 6,739 |
2022 |  |  | 6,483 |
Thereafter |  |  | 51,274 |
Total |  | $ | 85,420 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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