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Convertible Preferred Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 2 Months Ended | 12 Months Ended | 16 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 02, 2020 | Oct. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Oct. 22, 2020 | Jun. 24, 2019
Temporary Equity [Line Items] |  |  |  |  |  |  |
Beneficial conversion feature |  |  |  |  |  | $ 12,000 |
Series A Convertible Preferred Stock |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |
Shares authorized (in shares) |  |  |  |  |  |  | 102,740,023
Par value (in dollars per share) |  |  |  |  |  |  | $ 0.00001
Preferred stock issued (in shares) |  |  |  |  | 21,614,220 |  |
Gross proceeds from stock issuance |  |  |  |  | $ 67,073 |  |
Merger recapitalization (in shares) |  |  |  | 94,818,151 |  |  |
Series X Convertible Preferred Stock |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |
Shares authorized (in shares) |  | 20,077,073 |  |  |  |  |
Par value (in dollars per share) |  | $ 0.00001 |  |  |  |  |
Preferred stock issued (in shares) |  | 1,391,694 | 17,065,536 | 18,457,230 |  |  |
Purchase price (in dollars per share) |  |  | $ 9.96 |  |  |  |
Gross proceeds from stock issuance |  | $ 13,860 | $ 170,000 | $ 178,074 |  |  |
Merger recapitalization (in shares) |  |  |  | 18,457,230 |  |  |
Series A And Series X Convertible Preferred Stock |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |
Merger recapitalization (in shares) | 113,275,381 |  |  |  |  |  |

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- Definition Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (27) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The maximum number of securities classified as temporary equity that are permitted to be issued by an entity's charter and bylaws. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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