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NOTE 14 QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) - 2012 (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
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, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue |  |  |  |  |  |  | $ 251 | $ 395 |  | $ 646 | $ 1,301
Operating expenses | 8,628 | 6,054 | 4,380 | 4,769 | 4,118 | 4,089 | 1,791 | 1,710 | 23,831 | 11,708 | 11,235
Interest and other expense, net | (197) | (195) | (146) | (61) | (47) | (62) | (263) | (1) | (599) | (373) | 2,738
Loss from continuing operations | (8,825) | (6,249) | (4,526) | (4,830) | (4,165) | (4,151) | (1,803) | (1,316) | (24,430) | (11,435) | (7,196)
Discontinued operations | 1,088 | 128 | (43) | (91) | (96) | (51) | (129) | (103) | 1,082 | (379) | (150)
Net loss | $ (7,737) | $ (6,121) | $ (4,569) | $ (4,921) | $ (4,261) | $ (4,202) | $ (1,932) | $ (1,419) | $ (23,348) | $ (11,814) | $ (7,346)
Basic and diluted net loss per share: |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations | $ (0.03) | $ (0.02) | $ (0.02) | $ (0.02) | $ (0.02) | $ (0.02) | $ (0.05) | $ (0.03) | $ (0.10) | $ (0.10) | $ (0.18)
Net loss | $ (0.03) | $ (0.02) | $ (0.02) | $ (0.02) | $ (0.02) | $ (0.02) | $ (0.05) | $ (0.04) | $ (0.10) | $ (0.10) | $ (0.19)

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