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Notes and Other Obligations (Schedule of Long-Term Debt) (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Nov. 30, 2011
Debt Instrument [Line Items]      
Notes payable $ 2,692,159 $ 3,053,424  
Less current portion 1,945,383 2,290,292  
Notes payable, noncurrent 746,776 763,132  
Other Short-Term Installment Obligations [Member]
     
Debt Instrument [Line Items]      
Notes payable 88,827 220,763  
Mortgage Notes [Member]
     
Debt Instrument [Line Items]      
Notes payable 2,402,823 2,435,073  
Termination Obligation [Member]
     
Debt Instrument [Line Items]      
Notes payable $ 200,509 $ 397,588 $ 1,374,000