Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Narrative) (Details)

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Fair Value Measurements (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 558,801 $ 770,041
Change in fair value of acquisition-related contingent consideration 43,898 (85,501)
Fair Value, Assets, Level 1 to Level 2 Transfers, amount 0 0
Fair Value, Assets, Level 2 to Level 1 Transfers, amount 0 0
Fair Value, Liabilities, Level 1 to Level 2 Transfers, amount 0 0
Fair Value, Liabilities, Level 2 to Level 1 Transfers, amount 0 0
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 6,282  
Operating Income [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Change in fair value of acquisition-related contingent consideration 43,898  
Level 3 [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration 558,801 770,041
Accrued Consideration [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration 558,801 770,041
Accrued Consideration [Member] | Level 3 [Member]
    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of accrued consideration $ 558,801 $ 770,041