Stockholders' Equity (Deficit) (Details 4) (USD $) In Thousands, except Per Share data, unless otherwise specified			12 Months Ended
Jan. 19, 2011	Dec. 31, 2010	Dec. 31, 2012 Direct Registration Warrants [Member]	Dec. 31, 2011 Direct Registration Warrants [Member]	Dec. 31, 2010 Direct Registration Warrants [Member]
The fair value of the warrants valuation
Stock Price			$ 5.35	$ 11.88	$ 55.20
Exercise Price			$ 504.00	$ 504.00	$ 504.00
Contractual life (in Years)			1 year 7 months 6 days	2 years 7 months 6 days	3 years 7 months 6 days
Expected volatility			101.00%	107.00%	86.00%
Risk-free interest rate			0.25%	0.36%	1.02%
Fair market value	$ 6,633	$ 7,498	$ 0	$ 6	$ 107

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Agreed upon price for the exchange of the underlying asset.

+ 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 (e)

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

+ Details

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- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

+ Details

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

+ Details

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

+ Details

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- 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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