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Fair Value Measurements (Schedule of Categorization of Fair Value Measurements by Input Level) (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Liabilities:    
Fair value of long-term debt obligations $ 14,045,000  
Fair Value, Measurements, Recurring [Member]
   
Assets:    
Certificates of deposit   2,211,287
Liabilities:    
Total Liabilities 544,681 3,236,287
Fair Value, Measurements, Recurring [Member] | Call Option [Member]
   
Liabilities:    
Derivative liability 16,330  
Fair Value, Measurements, Recurring [Member] | Forward Contracts [Member]
   
Liabilities:    
Derivative liability 297,451  
Fair Value, Measurements, Recurring [Member] | Contingent Dividend Payment [Member]
   
Liabilities:    
Derivative liability 230,900 1,025,000
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member]
   
Assets:    
Certificates of deposit     
Liabilities:    
Total Liabilities      
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Call Option [Member]
   
Liabilities:    
Derivative liability     
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Forward Contracts [Member]
   
Liabilities:    
Derivative liability     
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Contingent Dividend Payment [Member]
   
Liabilities:    
Derivative liability      
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Assets:    
Certificates of deposit   2,211,287
Liabilities:    
Total Liabilities 313,781 2,211,287
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Call Option [Member]
   
Liabilities:    
Derivative liability 16,330  
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Forward Contracts [Member]
   
Liabilities:    
Derivative liability 297,451  
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Contingent Dividend Payment [Member]
   
Liabilities:    
Derivative liability      
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Assets:    
Certificates of deposit     
Liabilities:    
Total Liabilities 230,900 1,025,000
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Call Option [Member]
   
Liabilities:    
Derivative liability     
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Forward Contracts [Member]
   
Liabilities:    
Derivative liability     
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Contingent Dividend Payment [Member]
   
Liabilities:    
Derivative liability $ 230,900 $ 1,025,000