Nature of the Business and Basis of Presentation - Impacts of Error on Condensed Financial Statements (Details) - USD ($) $ in Thousands |
Sep. 30, 2021 |
Jun. 30, 2021 |
Mar. 31, 2021 |
Dec. 31, 2020 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
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| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||
| Carrying Value | $ 75,877 | $ 72,883 | ||||||
| Additional paid-in capital | $ 391,440 | 9,194 | 7,978 | |||||
| Accumulated deficit | (107,256) | (93,881) | (66,489) | |||||
| Stockholders' deficit | $ 284,198 | $ (118,537) | $ (96,903) | (84,686) | $ (75,318) | $ (69,807) | $ (64,766) | (58,510) |
| As previously reported | ||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||
| Carrying Value | 75,393 | 72,399 | ||||||
| Additional paid-in capital | 9,946 | 8,730 | ||||||
| Accumulated deficit | (94,149) | (66,757) | ||||||
| Stockholders' deficit | (84,202) | (58,026) | ||||||
| Adjustment | ||||||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | ||||||||
| Carrying Value | 484 | 484 | ||||||
| Additional paid-in capital | (752) | (752) | ||||||
| Accumulated deficit | 268 | 268 | ||||||
| Stockholders' deficit | $ (484) | $ (484) |
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- Definition Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent 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. 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. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer. No definition available.
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