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Consolidated Statements of Comprehensive Income - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statement of Comprehensive Income [Abstract] |  |  |
Net income (loss) | $ (4,782,000) | $ 5,459,000 | $ 7,411,000
Other comprehensive income: |  |  |
Unrealized Gain on Foreign Currency Derivatives, before Tax | (452,000) | 5,000 | (303,000)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | 87,000 | (2,000) | 103,000
Interest rate hedging derivatives: |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax | 65,000 | 0 | (5,000)
Income tax benefit (expense) | (15,000) | 0 | 2,000
Post retirement benefit plan adjustments: |  |  |
Net actuarial (loss) gain | 1,081,000 | (268,000) | 474,000
Prior service costs | (496,000) | (496,000) | (496,000)
Income tax benefit (expense) | (123,000) | 255,000 | (12,000)
Comprehensive income (loss) | $ (4,735,000) | $ 4,953,000 | $ 7,180,000

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