Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2020

Long-Term Debt (Tables) [Line Items]

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

In thousands	2020		2019
8¼% Limited convertible senior   subordinated notes due 2012	$	352	$	352
9½% Subordinated debentures   due 2012		220		220
Revolving credit line		612		-
Term loans – related party		1,000		1,000
Term loan		811		-
Forgivable loan		-		650
Total debt		2,995		2,222
Less deferred financing costs and debt   discount		180		-
Net debt		2,815		2,222
Less portion due within one year		2,546		1,572
Net long-term debt	$	269	$	650

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

In thousands	2021		2022		2023		2024		2025		Thereafter
	$	2,726	$	269	$	-	$	-	$	-	$	-