Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2021

Long-Term Debt (Tables) [Line Items]

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

In thousands	2021		2020
8¼% Limited convertible senior   subordinated notes due 2012	$	302	$	352
9½% Subordinated debentures   due 2012		220		220
Revolving credit line – related party		1,189		-
Revolving credit line		-		612
Term loans – related party		1,000		1,000
Term loans		871		811
Total debt		3,582		2,995
Less deferred financing costs and debt   discount		52		180
Net debt		3,530		2,815
Less portion due within one year		3,030		2,546
Net long-term debt	$	500	$	269

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

In thousands	2022		2023		2024		2025		2026		Thereafter
	$	3,082	$	-	$	11	$	12	$	12	$	465