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Note 17 - Pension Plan - Amounts Recognized in Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Total loss recognized in other comprehensive income | $ 1,690 |  |
Pension Plan [Member] |  |  |
Actuarial loss on remeasurement of projected benefit obligation | 4,654 |  |
Actuarial gain on remeasurement of fair value of assets | (2,292) |  |
Total loss recognized in other comprehensive income | $ 2,362 |  |

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- Definition Represents the amount of actuarial gain (loss) on remeasurement of fair value of assets recognized in other comprehensive income under pension and other postretirement benefit plans. + References No definition available. + Details
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- Definition Amount of actuarial gain (loss) on remeasurement of projected benefit obligation recognized in other comprehensive income under pension and other postretirement benefit plans. + References No definition available. + Details
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- Definition Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669646-108580 + Details
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