Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

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

In thousands	September 30 2018		December 31 2017
8¼% Limited convertible senior subordinated notes due 2012	$	387	$	387
9½% Subordinated debentures due 2012		220		220
Revolving credit line		933		2,722
Term loans		1,640		790
Term loans - related party		1,000		1,000
Forgivable loan		650		650
Total debt		4,830		5,769
Less deferred financing costs and debt discount		360		206
Net debt		4,470		5,563
Less portion due within one year		3,060		4,029
Net long-term debt	$	1,410	$	1,534