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Notes Payable (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Total notes payable to advisor $ 1,588,998 $ 2,179,792 $ 2,276,693
Less current portion (186,076) (670,527) (747,778)
Long-term portion of notes payable 1,402,922 1,509,265 1,528,915
Bank Loan, due April 30, 2014
     
Bank Loan, due 47,211 60,986 98,122
Authority Loan No. 1, due September 1, 2015
     
Authority Loan 741,787 741,788 956,071
Authority Loan No. 2, due August 1, 2018
     
Authority Loan 750,000 750,000 750,000
Notes payable to advisor, due March 16, 2013
     
Total notes payable to advisor 0 131,500 172,500
Note payable to advisor, due July 1, 2013
     
Total notes payable to advisor 0 300,000 300,000
Note payable due August 6, 2013
     
Total notes payable to advisor 0 107,518 0
Note payable to advisor, due February 8, 2013
     
Total notes payable to advisor 0 38,000 0
Note payable due June 1, 2013
     
Total notes payable to advisor $ 50,000 $ 50,000 $ 0