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Note 5 - Disclosure of Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |  |
Beginning Balance | $ (1,878) |  | $ 1,204 |  |
Other comprehensive income (loss) before reclassifications | $ (7,624) |  | $ (3,082) |  |
Amounts reclassified from AOCL |  |  |  |  |
Net current-period other comprehensive income (loss) | $ (7,624) |  | $ (3,082) |  | $ 1,238
Ending Balance | (9,502) |  | (1,878) |  | 1,204
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |  |
Beginning Balance | (13,243) |  | (4,393) |  |
Other comprehensive income (loss) before reclassifications | 1,105 | [1] | (8,922) | [2] |
Amounts reclassified from AOCL | 776 | [3] | 72 | [4] |
Net current-period other comprehensive income (loss) | 1,881 |  | (8,850) |  | 7,688
Ending Balance | (11,362) |  | (13,243) |  | (4,393)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |  |  |  |  |
Beginning Balance | (646) |  | 774 |  |
Other comprehensive income (loss) before reclassifications | $ (965) | [5] | $ (1,420) | [6] |
Amounts reclassified from AOCL |  |  |  |  |
Net current-period other comprehensive income (loss) | $ (965) |  | $ (1,420) |  | 774
Ending Balance | (1,611) |  | (646) |  | 774
Beginning Balance | (15,767) |  | (2,415) |  |
Other comprehensive income (loss) before reclassifications | (7,484) |  | (13,424) |  |
Amounts reclassified from AOCL | 776 |  | 72 |  |
Net current-period other comprehensive income (loss) | (6,708) |  | (13,352) |  | 12,081
Ending Balance | $ (22,475) |  | $ (15,767) |  | $ (2,415)
[1] | Represents unrecognized actuarial gains of $1,829, net of tax effect of $(724), included in the computation of net periodic pension cost for the year ended December 31, 2015. See Note 14, “Benefit Plans,” to the consolidated financial statements for additional information.
[2] | Represents unrecognized actuarial losses of $(14,614), net of tax benefit of $5,692, included in the computation of net periodic pension cost for the year ended December 31, 2014. See Note 14, “Benefit Plans,” to the consolidated financial statements for additional information.
[3] | Represents actuarial losses of $1,228, net of tax effect of $(452), amortized to net periodic pension cost for the year ended December 31, 2015. See Note 14, “Benefit Plans,” to the consolidated financial statements for additional information.
[4] | Represents actuarial losses of $106, net of tax effect of $(34), amortized to net periodic pension cost for the year ended December 31, 2014. See Note 14, “Benefit Plans,” to the consolidated financial statements for additional information.
[5] | Represents unrealized losses of $(1,574), net of tax benefit of $609 for the year ended December 31, 2015.
[6] | Represents unrealized losses of $(2,279), net of tax benefit of $859 for the year ended December 31, 2014.

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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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