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v3.3.1.900

Quarterly Data And Share Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Quarterly Data And Share Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 1,206 | $ 1,425 | $ 1,899 | $ 1,634 | $ 2,679 | $ 3,619 | $ 3,985 | $ 3,505 | $ 6,164 | $ 13,788 | $ 15,700
Net income (loss) from continuing operations | $ (19,167) | $ (4,963) | $ (76) | $ (515) | $ (2,014) | $ 425 | $ 377 | $ 424 | $ (24,721) | $ (788) | $ 2,956
Income (loss) per common share from continuing operations | $ (3.15) | $ (0.82) | $ (0.01) | $ (0.08) | $ (0.33) | $ 0.07 | $ 0.06 | $ 0.07 | $ (4.06) | $ (0.13) | $ 0.49

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