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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2012
Commitments and Contingencies [Abstract]  
Operating Leases
         

Years ending December 31,

     

2013

  $ 670,651  

2014

    552,281  

2015

    209,164  

2016

    70,664  
   

 

 

 
   

Total minimum lease payments

  $ 1,502,760  
   

 

 

 
Capital Lease Obligations
         

Years ending December 31,

     

2013

  $ 2,692,284  

2014

    2,034,862  

2015

    629,624  

2016

    440,403  

2017

    147,650  
   

 

 

 

Total future minimum lease payments

    5,944,823  

Less amount representing interest

    (635,946
   

 

 

 

Present value of future minimum lease payments

    5,308,877  

Less current maturities

    (2,211,677
   

 

 

 

Obligations under capital leases – long term

  $ 3,097,200