Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

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

	March 31 2018		December 31 2017
In thousands
8¼% Limited convertible senior     subordinated notes due 2012	$	387	$	387
9½% Subordinated debentures     due 2012		220		220
Revolving credit line		2,067		2,722
Term loan		740		790
Term loans - related party		1,000		1,000
Forgivable loan		650		650
Total debt		5,064		5,769
Less deferred financing costs		172		206
Net debt		4,892		5,563
Less portion due within one year		3,374		4,029
Net long-term debt	$	1,518	$	1,534