Closing price of common stock.

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Percentage of number of shares of common stock issued and outstanding.

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Percentage of number of shares of common stock outstanding.

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Share based compensation by share based payment award percentage of exercise price of options granted.

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Aggregate number of common shares reserved for future issuance.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition.

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Discount rate from fair value on purchase date that participants pay for shares.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of shares purchased for issuance under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Purchase price of common stock expressed as a percentage of its fair value.

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Number of new stock issued during the period.

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Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, shares, outstanding	85,171,146	50,480,694
Vesting period	4 years
Vesting rate at the end of one year	25.00%
Vesting rights description	Options granted to new hires generally vest over a four-year period, with 25% vesting at the end of one year and the remaining vesting monthly thereafter. Options granted as merit awards generally vest monthly over a three- or four-year period
Closing price of common stock	$ 5.78
Weighted-average grant date fair value of options granted	$ 1.53	$ 1.81
Unrecognized stock-based compensation of unvested options	$ 6.5
Unrecognized stock-based compensation of unvested options, recognized over weighted-average period	1 year 10 months 24 days
Options Granted as Merit Awards \| Tranche One
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	3 years
Options Granted as Merit Awards \| Tranche Two
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	4 years
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	4 years
Closing price of common stock	$ 5.78
Unrecognized stock-based compensation of unvested options, recognized over weighted-average period	1 year 3 months 18 days
Unrecognized stock-based compensation cost of unvested RSUs	$ 2.0
Maximum \| Restricted Stock Units \| Tranche Two
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	4 years
Minimum \| Restricted Stock Units \| Tranche Two
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	3 years
2011 Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted in years	10 years
2019 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of number of shares of common stock issued and outstanding	5.00%
2019 Plan \| Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance or grant	7,440,524
2019 Plan \| Performance-Based Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted	271,500		421,000
2019 Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted in years	10 years
2019 Plan \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of exercise price options granted	100.00%
2019 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares reserved for future issuance	14,140,528
Shares reserved for future issuance or grant	4,827,765
Percentage of number of shares of common stock outstanding	1.00%
Common stock, shares, outstanding	500,000
Percentage of purchase price of common stock	85.00%
Common stock shares purchased	583,695	999,194
2019 Employee Stock Purchase Plan \| Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance or grant	250,000
2019 Employee Stock Purchase Plan \| Performance-Based Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant date fair value	$ 0.3
2019 Employee Stock Purchase Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of earnings for purchase of common stock at discounted price	15.00%
2011 Plan, 2019 Plan and Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares granted	3,612,000	2,638,500
Inducement Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares issued	1,000,000