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Taxes (Details) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended | 185 Months Ended | 194 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2011 | Sep. 30, 2012
Net loss from continuing operations before taxes: |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  | $ 904,000 | $ (3,533,000) | $ (1,464,000) |  |
Foreign |  |  |  |  | (16,072,000) | (12,014,000) | (17,505,000) |  |
Loss from continuing operations before taxes | (3,572,000) | (3,403,000) | (10,040,000) | (11,524,000) | (15,168,000) | (15,547,000) | (18,969,000) | (259,277,000) | (269,317,000)
Loss from discontinued operations before taxes: |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  | (640,000) | (1,131,000) | (1,549,000) |  |
Loss from discontinued operations before taxes |  |  |  |  | (640,000) | (1,131,000) | (1,549,000) |  |
Total loss before taxes: |  |  |  |  |  |  |  |  |
Domestic |  |  |  |  | 264,000 | (4,664,000) | (3,013,000) |  |
Foreign |  |  |  |  | (16,072,000) | (12,014,000) | (17,505,000) |  |
Loss before taxes |  |  |  |  | (15,808,000) | (16,678,000) | (20,518,000) |  |
Benefit for income taxes |  |  |  |  |  |  |  |  |
Current - domestic |  |  |  |  |  | (10,000) | (12,000) |  |
Current - foreign |  |  |  |  | 565,000 | 667,000 | 960,000 |  |
Current - total | 419,000 | 126,000 | 714,000 | 443,000 | 565,000 | 657,000 | 948,000 | 18,444,000 | 19,158,000
Research and development | U.K |  |  |  |  |  |  |  |  |
Taxes |  |  |  |  |  |  |  |  |
Income tax credits |  |  |  |  | $ 600,000 | $ 700,000 | $ 900,000 | $ 600,000 |

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