Stockholders' Deficit (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Deficit (Tables) [Line Items]

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

In thousands	Pension plan actuarial loss		Foreign currency translation gain (loss)		Total
Balances at January 1, 2019	$	(6,470)	$	76	$	(6,394)
Actuarial loss		(342)		-		(342)
Translation gain		-		118		118
Balances at December 31, 2019		(6,812)		194		(6,618)
Actuarial loss		(755)		-		(755)
Translation gain		-		51		51
Balances at December 31, 2020	$	(7,567)	$	245	$	(7,322)