Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

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

In thousands	2019		2018
8¼% Limited convertible senior   subordinated notes due 2012	$	352	$	387
9½% Subordinated debentures   due 2012		220		220
Revolving credit line		-		1,440
Term loans		1,000		1,590
Term loans – related party		-		1,000
Forgivable loan		650		650
Total debt		2,222		5,287
Less deferred financing costs and debt   discount		-		257
Net debt		2,222		5,030
Less portion due within one year		1,572		3,584
Net long-term debt	$	650	$	1,446

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

In   thousands	2020		2021		2022		2023		2024		Thereafter
	$	1,572	$	-	$	-	$	-	$	-	$	650