Financing (Details 7) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Debt Conversion [Line Items]
Warrants, Anti-Dilution Adjusted Exercise Price		$ 0.0001
Warrants	33,333	499,990
Warrants, Fair Value	$ 2	$ 620
Warrants Issued With Debentures 2008 [Member]
Debt Conversion [Line Items]
Warrants, Expiration Year	2015
Warrants, Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.000100
Warrants	15,872	238,079
Warrants, Fair Value	1	294
Warrants Issued With Debentures 2010 [Member]
Debt Conversion [Line Items]
Warrants, Expiration Year	2015
Warrants, Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.000100
Warrants	5,423	81,350
Warrants, Fair Value	1	101
Warrants Issued With Debentures 2011 [Member]
Debt Conversion [Line Items]
Warrants, Expiration Year	2016
Warrants, Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.000100
Warrants	3,884	58,246
Warrants, Fair Value	0	72
Warrants Issued With Debentures 2012 [Member]
Debt Conversion [Line Items]
Warrants, Expiration Year	2017
Warrants, Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.000100
Warrants	2,330	34,947
Warrants, Fair Value	0	43
Series D Convertible Preferred Stock [Member]
Debt Conversion [Line Items]
Warrants, Expiration Year	2017
Warrants, Anti-Dilution Adjusted Exercise Price	$ 0.000100	$ 0.000100
Warrants	5,825	87,368
Warrants, Fair Value	$ 0	$ 110

Exercise price per share or per unit of warrants or rights outstanding.

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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

+ 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=36462937&loc=d3e19207-110258

+ Details

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