Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

In thousands	2015		2014
8¼% Limited convertible senior subordinated notes due 2012	$	626	$	1,083
9½% Subordinated debentures due 2012		334		334
Real estate mortgage – secured, due in monthly installments  through 2020		333		394
Long-term debt, including current portion		1,293		1,811
Less portion due within one year		1,031		1,811
Long-term debt	$	262	$	-

Schedule of Maturities of Long-term Debt [Table Text Block]

In thousands	2016	2017	2018	2019	2020
	$1,031	$75	$80	$85	$22