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Revenue by Geographic Areas (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Revenues: $ 4,921,596 $ 3,291,639 $ 13,108,007 $ 11,992,245
United States
       
Revenues: 3,681,834 2,492,640 9,980,944 8,296,712
Europe
       
Revenues: 945,172 656,571 2,165,576 2,140,903
Asia and rest of world
       
Revenues: $ 294,590 $ 142,428 $ 961,487 $ 1,554,630