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Long-Term Debt (Schedule of Debt) (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]    
Outstanding Balance $ 5,540,962 $ 5,601,654
Less: Capital leases 21,663 28,285
Less: Current maturities 122,750 146,949
Long-term debt 5,396,549 5,426,420
Less: Line of credit (1) 3,583,358 3,583,358
Long-term debt, less current maturities 1,813,191 1,843,062
NTR line of Credit (1) [Member]
   
Debt Instrument [Line Items]    
Outstanding Balance 3,583,358 3,583,358
Current Interest Rate 2.00%  
Maturity Aug. 01, 2014  
Mortgage payable [Member]
   
Debt Instrument [Line Items]    
Outstanding Balance 1,929,738 1,957,678
Current Interest Rate 6.70%  
Maturity Aug. 01, 2016  
Settlement payable [Member]
   
Debt Instrument [Line Items]    
Outstanding Balance    23,890
Current Interest Rate 8.00%  
Maturity Feb. 15, 2013  
Notes payable [Member]
   
Debt Instrument [Line Items]    
Outstanding Balance 6,203 8,443
Capital leases [Member]
   
Debt Instrument [Line Items]    
Outstanding Balance $ 21,663 $ 28,285
Current Interest Rate 17.40%  
Maturity Dec. 31, 2013