Date when an entity was incorporated

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Cash provided by financing activities.

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Impairment of right of use asset.

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Number of leased properties marketed for sublease arrangements.

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Organization and basis of presentation.

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Stock and warrants to be issued during period value preferred stock and warrants.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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The cash inflow from the additional capital contribution to the entity.

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Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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The cash inflow associated with the amount received from holders exercising their stock warrants.

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The number of positions eliminated during the period as a result of restructuring activities.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of accumulated undistributed earnings (deficit).

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Organization, Restructuring, Going Concern and Basis of Presentation - Additional Information (Details) $ in Thousands							2 Months Ended	3 Months Ended		12 Months Ended
	Mar. 22, 2024 USD ($)	Feb. 12, 2024 USD ($)	Nov. 15, 2023 USD ($)	Oct. 02, 2023 USD ($)	May 25, 2023 USD ($)	Apr. 13, 2022 USD ($)	Jun. 30, 2024 Employee	Mar. 31, 2025 USD ($) Employee Lease	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Organization And Basis Of Presentation [Line Items]
Entity incorporation, date of incorporation								Nov. 21, 2005
Restructuring charge								$ 885	$ 0	$ 10,900
Impairment charge for write-down of property and equipment								1,900
Impairment Of Right Of Use Asset								22,800
Fund raised for operations								424,800
Accumulated deficit								(413,337)		(404,790)
Cash and cash equivalents								$ 31,735		$ 40,577
Stock and warrants to be issued during period value preferred stock and warrants	$ 300,000
Number of leased properties marketed for sublease arrangements \| Lease								3
Sales Agreement
Organization And Basis Of Presentation [Line Items]
Net proceeds		$ 4,800	$ 8,200	$ 10,900
Private Placement
Organization And Basis Of Presentation [Line Items]
Net proceeds from private placement						$ 96,300
Private Placement \| Purchase Agreement
Organization And Basis Of Presentation [Line Items]
Net proceeds from private placement					$ 50,000
Net proceeds from issuance of preferred stock allocated to warrants					46,500
Private Placement \| Pre Funded Warrants
Organization And Basis Of Presentation [Line Items]
Gross proceeds for warrant exercises						$ 21,100
Employee Severance
Organization And Basis Of Presentation [Line Items]
Number of employees reduced \| Employee							87	87
Common Stock
Organization And Basis Of Presentation [Line Items]
Net proceeds					$ 30,500