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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS EQUIT (DEFICIT)(Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020
Statement Of Stockholders Equity [Abstract] |  |
Costs Of Issuance Preferred Stock | $ 136 | $ 136

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