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Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Revenue $ 16,363 $ 16,404 $ 9,166
Impairment charge 0 0 (942)
Operating loss (8,093) (3,919) (5,491)
Other expense (288) (244) (144)
Income tax recovery 0 0 343
Noncontrolling interest expense recovery 1,180 657 407
Net loss from discontinued operations $ (7,201) $ (3,506) $ (4,885)