Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Narrative) (Details)

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Fair Value Measurements (Narrative) (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 971,681 $ 1,002,623
Accrued Consideration [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 971,681 $ 1,002,623