Long-Term Debt (Details) - Long-Term Debt - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 2,222	$ 5,030
Less portion due within one year	572	3,584
Net long-term debt	1,650	1,446
Total debt	2,222	5,287
Less deferred financing costs		257
8¼% Limited convertible senior subordinated notes due 2012 [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	352	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		1,440
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion		1,590
Related Party Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	1,000	1,000
Forgivable Loan [Member]
Debt Instrument [Line Items]
Long-term debt, including current portion	$ 650	$ 650

Total debt before deduction of deferred financing costs.

No definition available.

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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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- Definition

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/disclosureRef
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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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