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Note 11 - Share Based Compensation - Recognition of Unvested Share-based Awards Expenses (Details) $ in Thousands | Dec. 31, 2016 USD ($)
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Unrecognized expenses unvested share based awards | $ 600
Fiscal Year 2017 [Member] |
Unrecognized expenses unvested share based awards | 578
Time-based Restricted Stock Units [Member] | Fiscal Year 2017 [Member] |
Unrecognized expenses unvested share based awards | 578
Performance-based Restricted Stock Units [Member] | Fiscal Year 2017 [Member] |
Unrecognized expenses unvested share based awards |

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- Definition Unrecognized cost of unvested share-based compensation awards. + 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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