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Stock-Based Compensation (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Summary of stock option activity  
Shares, Outstanding at beginning of year 43,298
Shares Granted 0
Shares Exercised 0
Shares expired 0
Shares cancelled or forfeited (1,182)
Shares, Outstanding at end of year 42,116
Shares, Expected to vest 9,080
Shares, Exercisable at end of period 33,036
Weighted Average Exercise Price, Beginning Balance $ 24.87
Weighted Average Exercise Price, Granted $ 0.00
Weighted Average Exercise Price, Exercised $ 0.00
Weighted Average Exercise Price, Expired $ 0.00
Weighted Average Exercise Price, Cancelled or Forfeited $ 5.10
Weighted Average Exercise Price, Ending Balance $ 25.42
Weighted Average Exercise Price, Expected to Vest $ 4.39
Weighted Average Exercise Price, Exercisable at end of period $ 31.20
Weighted average remaining contractual term, Outstanding at end of period 5 years 9 months 18 days
Weighted average remaining contractual term, Expected to vest 8 years 4 months 24 days
Weighted average remaining contractual term, Exercisable at end of period 5 years 1 month 6 days
Intrinsic value, Outstanding at end of year $ 0
Intrinsic value, Expected to vest 0
Intrinsic Value Exercisable at end of period $ 0