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UNAUDITED SUPPLEMENTARY QUARTERLY INFORMATION (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2010 | Sep. 30, 2010 | Jun. 30, 2010 | Mar. 31, 2010 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Unaudited supplementary quarterly information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss | $ (26,285) | $ (2,654) | $ (20,364) | $ (17,351) | $ (16,304) | $ (23,680) | $ (13,154) | $ (8,734) | $ (7,348) | $ (8,170) | $ (10,703) | $ (6,870) | $ (66,654) | $ (61,872) | $ (33,091)
Net loss per share - basic and diluted (in dollars per share) | $ (0.10) | $ (0.01) | $ (0.07) | $ (0.07) | $ (0.11) | $ (0.16) | $ (0.08) | $ (0.06) | $ (0.05) | $ (0.06) | $ (0.08) | $ (0.05) | $ (0.26) | $ (0.42) | $ (0.25)
Weighted average shares outstanding - basic and diluted | 274,295 | 279,019 | 278,655 | 244,640 | 150,399 | 150,371 | 150,292 | 139,560 | 147,692 | 132,642 | 132,564 | 132,544 | 261,223 | 147,692 | 132,633
Reported |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unaudited supplementary quarterly information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss | (26,285) | (2,583) | (21,251) | (19,202) |  |  |  |  |  |  |  |  |  |  |
Net loss per share - basic and diluted (in dollars per share) | $ (0.10) | $ (0.01) | $ (0.08) | $ (0.08) | $ (0.12) | $ (0.17) | $ (0.09) | $ (0.07) | $ (0.05) | $ (0.07) | $ (0.09) | $ (0.06) |  |  |
Weighted average shares outstanding - basic and diluted | 274,295 | 268,373 | 268,009 | 233,994 | 139,753 | 139,725 | 139,646 | 128,914 | 137,046 | 121,996 | 121,918 | 121,898 |  |  |
Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unaudited supplementary quarterly information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ (71) | $ 887 | $ 1,851 |  |  |  |  |  |  |  |  |  |  |
Net loss per share - basic and diluted (in dollars per share) |  |  | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.00 | $ 0.01 | $ 0.01 | $ 0.01 |  |  |
Weighted average shares outstanding - basic and diluted |  | 10,646 | 10,646 | 10,646 | 10,646 | 10,646 | 10,646 | 10,646 | 10,646 | 10,646 | 10,646 | 10,646 |  |  |

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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 9 -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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