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Portion Of Stock Options Vest On First Anniversary

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Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Period

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Stock Option Grants Exercise Price Minimum Percentage On Fair Market Value

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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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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Price of a single share of a number of saleable stocks of a company.

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

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Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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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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Stock-based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Apr. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of remaining securities available for future issuance (in shares)	6,445
Share price (in dollars per share)	$ 2.21
2011 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of remaining securities available for future issuance (in shares)	4,656
Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value, vested and released	$ 100,000	$ 0
Total unrecognized compensation cost related to stock-based compensation arrangements	$ 12,400,000
Weighted average remaining contractual terms	2 years 3 months 18 days
2017 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of remaining securities available for future issuance (in shares)	1,581
2022 Inducement Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of remaining securities available for future issuance (in shares)	208		9,500
Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of months over which options vest ratably	36 months
Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of months over which options vest ratably	48 months
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Award vesting percentage	25.00%
Total unrecognized compensation cost related to stock-based compensation arrangements	$ 13,900,000
Weighted average remaining contractual terms	2 years 6 months
Restricted Stock Units (RSUs) \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Rate at which outstanding options vest on the first anniversary of the option grant date	25.00%
Share-Based Payment Arrangement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	10 years
Stock option grants exercise price minimum percentage on fair market value	100.00%
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	3 years
Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance period	0.00%
Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of performance period	200.00%