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Stock-Based Compensation (Details 1) (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Number of Options Outstanding, Balance 2,979,010 2,539,091 2,539,091
Number of Options Outstanding, Granted 1,840,000   557,002
Number of Options Outstanding, Exercised (334,851) (10,000) (23,333)
Number of Options Outstanding, Forfeited or expired (225,413)   (93,750)
Number of Options Outstanding, Balance outstanding 4,258,746   2,979,010
Number of Options Outstanding, Balance exercisable 2,620,784    
Weighted Average Exercise Price per Share, Balance $ 1.34 $ 1.32 $ 1.32
Weighted Average Exercise Price per Share, Granted $ 2.24   $ 1.26
Weighted Average Exercise Price per Share, Excercised $ 0.28   $ 0.57
Weighted Average Exercise Price per Share, Forfeited or expired $ 2.37   $ 0.59
Weighted Average Exercise Price per Share, Balance outstanding $ 1.76   $ 1.34
Weighted Average Exercise Price price Share, Balance exercisable $ 1.56    
Weighted Average Remaining Contractual Life, Balance outstanding 6 years 9 months 7 days    
Weighted Average Remaining Contractual Life, Balance exercisable 5 years 10 months 6 days    
Aggregate Intrinsic Value, exercised $ 625,000   $ 20,000
Aggregate Intrinsic Value, Balance outstanding 1,980,000    
Aggregate Intrinsic Value, Balance exercisable $ 1,660,000