Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Narrative) (Details)

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Fair Value Measurements (Narrative) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 535,378 $ 1,002,623
Reduction to contingent consideration due to payments 357,879  
Increase to contingent consideration due to foreign currency losses 52,278  
Reduction to contingent consideration due to gains recorded in operating income 161,644  
Accrued Consideration [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 535,378 $ 1,002,623