Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2023

Long-Term Debt (Tables) [Line Items]

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

	March 31		December 31
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		2,246		2,246
Term loans – related party		1,000		1,000
Term loans		500		500
Total debt		4,268		4,268
Less deferred financing costs and debt discount		-		-
Net debt		4,268		4,268
Less portion due within one year		3,768		3,768
Net long-term debt	$	500	$	500