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Discontinued Operations (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2010
Jun. 30, 2010
Dec. 31, 2010
Dec. 31, 2009
Discontinued Operations [Abstract]        
Impairment charge related to goodwill       $ 685
Reduction in the value of tangible assets       720
Employee termination costs       275
Additional costs related to employee termination   200    
Payment from Shackleton 850      
Gain on sale of discontinued operations $ 35   $ 35