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Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
Schedule Of Fair Value Of Embedded Conversion Features And Warrants [Abstract] |
Beginning Balance | $ 6,718
Derivatives added in connection with issuance of debt and equity | 4,762
Derivatives reclassified to equity in connection with repayment and conversion of debt | (20,075)
Net increase in fair value | 8,595
Ending Balance |

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- Definition Derivatives added in connection with issuance of debt and equity. + References No definition available. + Details
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- Definition Derivatives reclassified to equity in connection with repayment and conversion of debt. + References No definition available. + Details
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- Definition Net fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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- Definition Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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