Financing (Details 8) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Dec. 31, 2012
Anti-Dilution Adjusted Exercise Price		$ 0.00684
Warrants	499,990	1,882,493
Fair Value	$ 565	$ 3,687
Warrants Issued With Debentures 2008 [Member]
Expiration Year	2015
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	238,079	896,382
Fair Value	267	1,691
Warrants Issued With Debentures 2010 [Member]
Expiration Year	2015
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	81,350	306,287
Fair Value	91	571
Warrants Issued With Debentures 2011 [Member]
Expiration Year	2016
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	58,246	219,298
Fair Value	66	453
Warrants Issued With Debentures 2012 [Member]
Expiration Year	2017
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	34,947	131,579
Fair Value	40	263
Series D Preferred Stock [Member]
Expiration Year	2017
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	87,368	328,947
Fair Value	$ 101	$ 709

Anti-dilution exercise price at which is effect of dilution will be offset.

No definition available.

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- Definition

The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Year of expiration or mandatory redemption of the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction, in CCYY format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-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.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents warrants not settleable in cash classified as equity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant