Pension Plan (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

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

	Three months ended March 31, 2017
In thousands	As reported		As revised		Effect of change
General and administrative expenses	$	1,436	$	1,445	$	9
Operating loss		(1,089)		(1,096)		(9)
Pension benefit		-		(9)		(9)
Loss before income taxes	$	(1,255)	$	(1,255)		-

Schedule of Net Benefit Costs [Table Text Block]

	Three months ended March 31
In thousands	2018		2017
Interest cost	$	113	$	116
Expected return on plan assets		(203)		(179)
Amortization of net actuarial loss		56		54
Net periodic pension benefit	$	(34)	$	(9)