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Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net (loss) income	$ (1,720)	$ 2,154	$ 15,720
Other comprehensive (loss) income , net of tax:
Translation adjustment	(5,906)	7,823	(23,061)
Less: Amount reclassified			378
Total translation (loss) gain	(5,906)	7,823	(22,683)
Deferred gains (losses) on cash flow hedges :
Settlement of cash flow hedge	(14)
Fair value adjustment, net of tax of $38 in 2018, $0 in 2017 and $11 in 2016	161	17	17
Total deferred gains on cash flow hedges	147	17	17
Effect of retirement benefit obligations:
Net income (loss) arising from retirement benefit obligations, net of tax of $93 in 2018, ($132) in 2017 and ($135) in 2016	373	(228)	(202)
Less: amortization of loss included in net (loss) income, net of tax of $23 in 2018, $42 in 2017 and $36 in 2016	95	62	54
Total effects of retirement benefit obligations	468	(166)	(148)
Other comprehensive (loss) income, net of tax	(5,291)	7,674	(22,814)
Comprehensive (loss) income	$ (7,011)	$ 9,828	$ (7,094)

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