Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Narrative) (Details)

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Fair Value Measurements (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 581,750 $ 770,041
Change in fair value of acquisition-related contingent consideration (27,231)  
Payments [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Change in fair value of acquisition-related contingent consideration 161,060  
Foreign Currency Gain (Loss) [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Change in fair value of acquisition-related contingent consideration 27,231  
Level 3 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration 581,750 770,041
Accrued Consideration [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration 581,750 770,041
Accrued Consideration [Member] | Level 3 [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 581,750 $ 770,041