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Note 13 - Other Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Other Liabilities [Table Text Block] |
|  | December 31, |
|  | 2017 |  |  | 2016 |
Noncurrent pension liability |  | $ | 4,781 |  |  | $ | 5,474 |
Deferred gain from sale leaseback |  |  | 3,576 |  |  |  | 3,892 |
Other |  |  | 412 |  |  |  | 126 |
Total |  | $ | 8,769 |  |  | $ | 9,492 |

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- Definition Tabular disclosure of other liabilities. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration