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Investments (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]    
Proceeds from sale of investments $ 3,001,016 $ 1,475,730
Gross realized gains 248,223 88,713
Gross realized losses $ 52,723 $ 17,427
Corporate Bonds [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Number Of Investment Securities 3