Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Amortization (Details)

v2.4.0.8
Goodwill and Intangible Assets - Amortization (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets $ 4,802,021 $ 5,282,170 $ 1,752,472
Customer contracts
      
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets 1,550,247 2,450,178 1,364,443
Customer relationships
      
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets 1,642,892 1,265,106 16,929
Non-compete agreements
      
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets 967,646 723,626 222,203
Technology
      
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets 517,151 670,654 85,912
Trade names
      
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangible assets $ 124,085 $ 172,606 $ 62,985