Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2023

Long-Term Debt (Tables) [Line Items]

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

In thousands	2023		2022
8¼% Limited convertible senior      subordinated notes due 2012	$	302	$	302
9½% Subordinated debentures      due 2012		220		220
Revolving credit line – related party		2,247		2,246
Term loans – related party		1,000		1,000
Term loans		542		500
Total debt		4,311		4,268
Less portion due within one year		3,776		3,768
Net long-term debt	$	535	$	500

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

In thousands		2024		2025		2026		2027		2028		Thereafter
	$	3,776	$	8	$	9	$	10	$	19	$	489