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Discontinued Operations (Tables)
3 Months Ended
Sep. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]  
Discontinued Operations
  Three months ended September 30,   Nine months ended September 30,
  2014 2013   2014 2013
Revenue $0 $0   $ 0 $1,488
Expenses 0 (38)   0 1,334
Net operating income (loss) from discontinued operations $0 $(38)   $0 $154