Long-Term Debt (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule of Long-term debt
Less unamortized discount	$ (36)	$ (290)
Capital Lease Obligations Current and Noncurrent Net	4,799	6,370
Less current portion	(3,067)	(2,467)
Long-term Debt and Capital Lease Obligations, Total	1,732	3,903
Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	3,835	5,660
Related party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations Current and Noncurrent Net	4,799	6,370
7 1/2% convertible subordinated debentures due April 2010, interest payable semi-annually in April and October (1) [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	537	549
10% senior promissory notes due April 2012, interest payable semi-annually in April and October (2) [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	17	1,738
10% Note Payable [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	380	430
14% convertible notes due February 2013, interest payable quarterly (4) [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	1,800	1,800
14% convertible notes due May 2013, interest payable quarterly (5) [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	700	700
14% convertible notes due June 2013, interest payable quarterly (6) [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	100	100
12% promissory note due February 2014 [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	100
Other [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	25
Capitalized lease obligations (7) [Member] \| Unrelated party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	176	343
14% note due May 2013, interest payable quarterly (8) [Member] \| Related party note holders [Member]
Schedule of Long-term debt
Capital Lease Obligations	$ 1,000	$ 1,000

Debt and capital lease obligations current and noncurrent net.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

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-Name FASB Staff Position (FSP)

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-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification

-Topic 835

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-Paragraph 8

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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- Definition

Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

+ References

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