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Consolidated Statements of Operations (Parenthetical) - USD ($) | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Amortization cost of developed technology and platform development | $ 1,623,783 | $ 1,361,319 | $ 1,324,970 | $ 629,888 | $ 433,204 | $ 349,512 | $ 2,686,289 | $ 782,716 | $ 4,310,072 | $ 1,412,604 | $ 6,191,965 | $ 2,395,048

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