Long-Term Debt (Details) - Long-term debt (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 2,872	$ 2,942
Less portion due within one year	2,478	2,487
Long-term debt	394	455
8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	1,083	1,096
9½% Subordinated Debentures Due 2012 [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	334	334
Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	1,000
Revolving Loan Bank Secured [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion		1,000
Real Estate Mortgage Secured [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 455	$ 512