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Simple Agreements for Future Equity (SAFE) (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of Simple Agreements for Future Equity [Abstract] |
Summary of Simple agreements for future equity | The following table summarizes the total invested amounts of SAFEs issued and outstanding for the years ended December 31, 2019 and December 31, 2018 (in thousands)
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |
Principal amount, inclusive of accrued interest and changes in fair value, if any |  |  | — |  |  | $ | 122,588 |
Losses reported from changes in fair value in the statement of operations |  | $ | (24,215 | ) |  | $ | (12,345 | )

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