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Investment in Available-for-Sale Securities (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]    
Gain (Loss) on Investments $ (12,381)us-gaap_GainLossOnSaleOfInvestments $ 8,507us-gaap_GainLossOnSaleOfInvestments