Financing (Details 8) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
Jun. 30, 2013	Dec. 31, 2012
Debt Conversion [Line Items]
Warrants	499,990	1,882,493
Fair Value	$ 276	$ 3,687
Series D Preferred Stock [Member]
Debt Conversion [Line Items]
Expiration Year	2017
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	87,368	328,947
Fair Value	49	709
Warrants Issued With Debentures 2008 [Member]
Debt Conversion [Line Items]
Expiration Year	2015
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	238,079	896,382
Fair Value	130	1,691
Warrants Issued With Debentures 2010 [Member]
Debt Conversion [Line Items]
Expiration Year	2015
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	81,350	306,287
Fair Value	44	571
Warrants Issued With Debentures 2011 [Member]
Debt Conversion [Line Items]
Expiration Year	2016
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	58,246	219,298
Fair Value	33	453
Warrants Issued With Debentures 2012 [Member]
Debt Conversion [Line Items]
Expiration Year	2017
Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.00684
Warrants	34,947	131,579
Fair Value	$ 20	$ 263

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

No definition available.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ 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=26873400&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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- 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 5

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

Reference 2: 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

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- Details

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- Definition

Fair value portion of 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=25499696&loc=d3e19207-110258

+ Details

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