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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Net income (loss)	$ 1,459	$ 1,173	$ 3,872	$ (2,001)
Defined benefit plans:
Net change in plan assets	(21)	(17)	(51)	(54)
Reclassification into other income (expense), net	25	18	76	55
Foreign currency translation gains (losses)	(321)	(46)	(114)	360
Tax effect	105	13	38	(99)
Other comprehensive income (loss), net of tax	(212)	(32)	(51)	262
Comprehensive income (loss)	$ 1,247	$ 1,141	$ 3,821	$ (1,739)

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