Long-Term Debt (Details) - Long-term debt - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 5,769	$ 3,784
Less deferred financing costs	206	243
Total debt	5,563	3,541
Less portion due within one year	4,029	2,984
Net long-term debt	1,534	557
8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	387	387
9½% Subordinated Debentures Due 2012 [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	220	220
Revolving Credit Line [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	2,722	1,805
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	790	872
Related Party Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	1,000	500
Forgivable Loan [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 650

Total debt before deduction of deferred financing costs.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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+ References

No definition available.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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