Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

In thousands	2019		2018
Directors fees	$	1,202	$	1,148
Taxes payable		1,114		1,083
Interest payable		875		731
Deferred revenues		787		1,000
Current portion of pension liability   (see Note 15 – Pension Plan)		641		623
Warranty reserve		430		405
Compensation and employee benefits		336		636
Audit fees		122		148
Other		539		558
	$	6,046	$	6,332

Schedule of Product Warranty Liability [Table Text Block]

In thousands	2019		2018
Balance at beginning of year	$	405	$	322
Provisions		176		307
Deductions		(151)		(224)
Balance at end of year	$	430	$	405