Pension Plan (Tables)

6 Months Ended

Jun. 30, 2018

Retirement Benefits [Abstract]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	Three months ended June 30, 2017						Six months ended June 30, 2017
					Effect of change						Effect of change
In thousands	As reported		As revised				As reported		As revised
General and administrative expenses	$	1,406	$	1,414	$	8	$	2,842	$	2,859	$	17
Operating loss		(1,085)		(1,093)		(8)		(2,172)		(2,189)		(17)
Pension benefit		-		(8)		(8)		-		(17)		(17)
Loss before income taxes	$	(1,254)	$	(1,254)		-	$	(2,509)	$	(2,509)	$	-

Schedule of Net Benefit Costs [Table Text Block]

	Three months ended June 30				Six months ended June 30
In thousands	2018		2017		2018		2017
Interest cost	$	114	$	117	$	227	$	233
Expected return on plan assets		(203)		(180)		(406)		(359)
Amortization of net actuarial loss		56		55		112		109
Net periodic pension benefit	$	(33)	$	(8)	$	(67)	$	(17)