Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2022

Long-Term Debt (Tables) [Line Items]

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

In thousands	2022		2021
8¼% Limited convertible senior   subordinated notes due 2012	$	302	$	302
9½% Subordinated debentures  due 2012		220		220
Revolving credit line – related party		2,246		1,189
Term loans – related party		1,000		1,000
Term loans		500		871
Total debt		4,268		3,582
Less deferred financing costs and debt   discount		-		52
Net debt		4,268		3,530
Less portion due within one year		3,768		3,030
Net long-term debt	$	500	$	500

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

In thousands	2023		2024		2025		2026		2027		Thereafter
	$	3,768	$	-	$	-	$	2	$	12	$	486