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Investments (Tables)
 6 Months Ended
Jun. 30, 2012
Investments, Debt and Equity Securities [Abstract]  
Held-to-maturity Securities [Table Text Block]
At June 30, 2012, all investments were classified as held to maturity and consisted of the following:

Certificate of Deposit:

Investments Maturity   Value of Held to Maturity
Amount Date Investments (based on cost)
$ 250,000 9-29-12   $ 250,000
$ 300,000   10-6-12   $ 300,000  
$ 500,000 12-29-12 $ 500,000
$ 1,050,000