Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

In thousands	2016		2015
Deferred revenues	$	915	$	931
Directors fees		844		684
Current portion of pension liability (see Note 14)		660		1,010
Compensation and employee benefits		590		614
Accrued manufacturing equipment cost		590		-
Taxes payable		583		1,059
Interest payable		408		522
Warranty reserve		303		389
Audit fees		135		137
Other		772		790
	$	5,800	$	6,136

Schedule of Product Warranty Liability [Table Text Block]

In thousands	2016		2015
Balance at beginning of year	$	389	$	345
Provisions		354		492
Deductions		(440)		(448)
Balance at end of year	$	303	$	389