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Investments (Tables)
 9 Months Ended
Sep. 30, 2013
Investments [Abstract]  
Schedule of Investments

At September 30, 2013 and December 31, 2012 all investments were classified as held to maturity and consisted of the following:

          September 30, 2013   December 31, 2012
Certificates of Deposit   Maturity   Value of Held to Maturity Investments   Value of Held to Maturity Investments
Investment       Date       (based on cost)       (based on cost)
$ 2,000,000   October 17, 2013   $ 2,004,000   $ 2,000,000
  2,000,000   October 17, 2013     2,000,000     2,000,000
  500,940   December 29, 2013     501,877     500,940
  300,564   October 6, 2013     301,126     300,564
  251,417   March 29, 2014     252,453     251,417
          $ 5,059,456   $ 5,052,921