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Consolidated Statements of Convertible Preferred Stock and Stockholders’ Deficit (Parenthetical) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
IPO |  |
Common stock issuance costs | $ 10,843,925 |
Series C convertible preferred stock |  |
Convertible preferred stock issuance costs | $ 53,509 | $ 3,278,302

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