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Parent Company Only Condensed Financial Information (Details 1) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Interest expense $ 683 $ 933 $ 1,432 $ 1,843
Net loss (684) (1,917) (1,423) (3,631)
Parent Company [Member]
        
Interest expense 45 42 92 83
Other expense (16) 187 135 402
Loss before undistributed subsidiaries' operations (29) (229) (227) (485)
Effect of subsidiaries' operations (655) (1,688) (1,196) (3,146)
Net loss $ (684) $ (1,917) $ (1,423) $ (3,631)