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Income Taxes - US and Foreign Income Before Income Taxes (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
United States $ 3,256,251 $ 3,877,541
Foreign 3,358,146 2,925,184
Total $ 6,614,397 $ 6,802,725