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Commitments and Contingencies (Details 1) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Future minimum payments under all leases and bonds payable      
Total minimum lease payments, Operating Leases $ 3,500,000    
Less current maturities, Bonds Payable   206,250 191,250
Less current maturities, Capital Leases   6,888 17,979
Bonds payable, non-current   125,000 331,250
Bonds Payable [Member]
      
Future minimum payments under all leases and bonds payable      
Bonds Payable, 2013   237,592  
Bonds Payable, 2014   136,852  
Total minimum lease payments, Bonds Payable   374,444  
Less amounts representing interest, Bonds Payable   43,194  
Present value of bonds payable and capital lease payments, Bonds Payable   331,250  
Less current maturities, Bonds Payable   206,250  
Bonds payable, non-current   125,000  
Capital Lease [Member]
      
Future minimum payments under all leases and bonds payable      
Capital Leases, 2013   8,078  
Capital Leases, 2014   8,078  
Capital Leases, 2015   5,385  
Total minimum lease payments, Capital Leases   21,541  
Less amounts representing interest, Capital Leases   2,007  
Present value of bonds payable and capital lease payments, Capital Leases   19,534  
Less current maturities, Capital Leases   6,888  
Capital Leases, Less current maturities   12,646  
Operating Leases [Member]
      
Future minimum payments under all leases and bonds payable      
Operating Leases, 2013   2,538,660  
Operating Leases, 2014   1,529,890  
Operating Leases, 2015   1,581,352  
Operating Leases, 2016   1,627,668  
Operating Leases, 2017   1,663,691  
Operating Leases, Thereafter   8,236,198  
Total minimum lease payments, Operating Leases   17,177,459  
Sublease Income [Member]
      
Future minimum payments under all leases and bonds payable      
Sublease Income, 2013   61,356  
Total minimum lease payments, Sublease Income   $ 61,356