Stockholders' Deficit (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Dec. 31, 2012
Stock options outstanding and exercisable
Stock options outstanding, Vested Option	140
Stock options outstanding, Unvested Option	2
Stock options outstanding, Weighted Average Exercise Price	$ 40.61	$ 40.61
Stock Options Outstanding, Weighted Average Remaining Contractual Life	4 years 8 months 12 days
Stock options, Number Exercisable	140
Stock option, Exercisable Weighted Average Exercise Price	$ 40.94
1.03 - 49.99
Stock options outstanding and exercisable
Range of Exercise Price, Lower Range	$ 1.03
Range of Exercise Price, Upper Range	$ 49.99
Stock options outstanding, Vested Option	90
Stock options outstanding, Unvested Option	2
Stock options outstanding, Weighted Average Exercise Price	$ 13.31
Stock Options Outstanding, Weighted Average Remaining Contractual Life	6 years 3 months 18 days
Stock options, Number Exercisable	90
Stock option, Exercisable Weighted Average Exercise Price	$ 13.21
50.00 - 99.99
Stock options outstanding and exercisable
Range of Exercise Price, Lower Range	$ 50.00
Range of Exercise Price, Upper Range	$ 99.99
Stock options outstanding, Vested Option	36
Stock options outstanding, Weighted Average Exercise Price	$ 84.34
Stock Options Outstanding, Weighted Average Remaining Contractual Life	1 year 6 months
Stock options, Number Exercisable	36
Stock option, Exercisable Weighted Average Exercise Price	$ 84.34
100.00 - 117.80
Stock options outstanding and exercisable
Range of Exercise Price, Lower Range	$ 100.00
Range of Exercise Price, Upper Range	$ 117.80
Stock options outstanding, Vested Option	14
Stock options outstanding, Weighted Average Exercise Price	$ 111.06
Stock Options Outstanding, Weighted Average Remaining Contractual Life	1 year 6 months
Stock options, Number Exercisable	14
Stock option, Exercisable Weighted Average Exercise Price	$ 111.06

Share based compensation arrangement by share based payment award options nonvested outstanding number.

No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a)

-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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- Definition

Weighted average remaining contractual term for option awards 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

As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph d(1)

-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.

+ Details

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

+ Details

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c)

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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