Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2018

Stockholders' Equity Note [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The components of accumulated other comprehensive income (loss) as of June 30, 2018, and reclassifications out of accumulated other comprehensive income (loss) for the three and six months ended June 30, 2018 and 2017, were as follows (net of tax) (in thousands):

							Foreign Currency			Accumulated Other
	Pension Liability			Fair Value of			Translation			Comprehensive
	Adjustment			Derivatives			Adjustment			Income (Loss)
Balance at April 1, 2018	$	1,132		$	(189	)	$	(715	)	$	228
Other comprehensive loss before reclassifications, net of taxes		-			(148	)		(337	)		(485	)
Total other comprehensive income (loss) before reclassifications, net of taxes		1,132			(337	)		(1,052	)		(257	)
Net amount reclassified to earnings		(58	)		87			-			29
Balance at June 30, 2018	$	1,074		$	(250	)	$	(1,052	)	$	(228	)

							Foreign Currency			Accumulated Other
	Pension Liability			Fair Value of			Translation			Comprehensive
	Adjustment			Derivatives			Adjustment			Income (Loss)
Balance at April 1, 2017	$	1,325		$	(7	)	$	(1,369	)	$	(51	)
Other comprehensive income (loss) before reclassifications, net of taxes		-			(72	)		274			202
Total other comprehensive income (loss) before reclassifications, net of taxes		1,325			(79	)		(1,095	)		151
Net amount reclassified to earnings		(61	)		(103	)		-			(164	)
Balance at June 30, 2017	$	1,264		$	(182	)	$	(1,095	)	$	(13	)

							Foreign Currency			Accumulated Other
	Pension Liability			Fair Value of			Translation			Comprehensive
	Adjustment			Derivatives			Adjustment			Income (Loss)
Balance at January 1, 2018	$	1,191		$	342		$	(687	)	$	846
Other comprehensive loss before reclassifications, net of taxes		-			(684	)		(365	)		(1,049	)
Total other comprehensive income (loss) before reclassifications, net of taxes		1,191			(342	)		(1,052	)		(203	)
Net amount reclassified to earnings		(117	)		92			-			(25	)
Balance at June 30, 2018	$	1,074		$	(250	)	$	(1,052	)	$	(228	)

							Foreign Currency			Accumulated Other
	Pension Liability			Fair Value of			Translation			Comprehensive
	Adjustment			Derivatives			Adjustment			Income (Loss)
Balance at January 1, 2017	$	1,387		$	(318	)	$	(1,393	)	$	(324	)
Other comprehensive income before reclassifications, net of taxes		-			161			298			459
Total other comprehensive income (loss) before reclassifications, net of taxes		1,387			(157	)		(1,095	)		135
Net amount reclassified to earnings		(123	)		(25	)		-			(148	)
Balance at June 30, 2017	$	1,264		$	(182	)	$	(1,095	)	$	(13	)