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Revenues By Geographic Areas (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Revenues: $ 5,475,475 $ 5,102,130 $ 16,903,173 $ 15,357,658
United States        
Revenues: 4,430,409 4,030,547 13,438,873 12,308,704
Europe        
Revenues: 711,057 821,782 2,642,265 2,237,439
Asia and rest of world        
Revenues: $ 334,009 $ 249,801 $ 822,035 $ 811,515