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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Taxes [Line Items]        
Tax benefit at 35% federal statutory rate $ 984 $ 1,266 $ 491 $ 3,523
State tax benefit, net of federal benefit 85 109 42 50
Noncontrolling interest (24) (60) (60) (464)
Valuation allowance (1,662) (3,116) (2,379) (2,957)
Other 617 1,801 1,906 (152)
Total $ 0 $ 0 $ 0 $ 0