Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

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Income Taxes (Details Textual) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Deferred Tax Assets Benefits For Option and Warrant Exercises $ 6.3  
Deferred Tax Assets, Operating Loss Carryforwards, Domestic   31.6
Deferred Tax Assets, Operating Loss Carryforwards, State and Local $ 20.0  
Operating Loss Carry Forwards Expiration Start Date 2020  
Operating Loss Carry Forwards Expiration End Date 2031  
State and Local Jurisdiction [Member]
   
Operating Loss Carry Forwards Expiration Start Date 2018  
Operating Loss Carry Forwards Expiration End Date 2031