The amount of income (expense) related to decrease (increase) in fair value of Convertible Notes.

No definition available.

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- Definition

The number of additional tranches of subordinated convertible promissory notes issued.

+ References

No definition available.

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- Definition

The number of convertible notes issued.

+ References

No definition available.

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- Definition

The percentage of discount rate if number of days between execution date and conversion date are between 91 and 180.

+ References

No definition available.

+ Details

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- Definition

The percentage of discount rate if number of days between execution date and conversion date are between zero and 90.

+ References

No definition available.

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- Definition

The percentage of discount rate if number of days between execution date and conversion date is greater than 180 days.

+ References

No definition available.

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- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

No definition available.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Related Party Transactions (Predecessor) - A1 Convertible Notes (Details) $ in Millions			1 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 15, 2021 USD ($) item	Dec. 08, 2021 USD ($) item	Jul. 21, 2023 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($) item	Mar. 31, 2024 USD ($)	Mar. 06, 2023 USD ($)	Jul. 01, 2022 USD ($)	Jun. 03, 2022 USD ($)	Apr. 14, 2022 USD ($)	Mar. 09, 2022 USD ($)	Feb. 18, 2022 USD ($)
Related Party Transactions
Estimated fair value of convertible notes					$ 0.0		$ 131.3	$ 5.1
Alphaeon 1 LLC (A1) \| 2023 A1 Convertible Notes
Related Party Transactions
Aggregate principal amount									$ 6.0
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement
Related Party Transactions
Aggregate principal amount				$ 25.0
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| 2021 A1 Convertible Notes
Related Party Transactions
Aggregate principal amount				$ 10.0
Percentage of discount rate if number of days between execution date and conversion date are between zero and 90				10.00%
Percentage of discount rate if number of days between execution date and conversion date are between 91 and 180				15.00%
Percentage of discount rate if number of days between execution date and conversion date is grated than 180 days				20.00%
Income (expense) related to change in fair value					0.5	$ (3.0)	0.6
Principal amount outstanding							10.0
Estimated fair value of convertible notes							8.7
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| A1 Convertible Notes issued on December 8, 2021
Related Party Transactions
Aggregate principal amount		$ 5.0
Number of convertible notes issued \| item	2	2
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| A1 Convertible Notes issued on December 15, 2021
Related Party Transactions
Aggregate principal amount	$ 5.0
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| 2022 A1 Convertible Notes
Related Party Transactions
Aggregate principal amount							14.5
Interest rate (as a percent)				10.00%
Income (expense) related to change in fair value					0.7	$ 4.2	1.0
Principal amount outstanding							14.5
Estimated fair value of convertible notes							$ 12.2
Number of additional tranches of subordinated convertible promissory notes issued \| item							5
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| A1 Convertible Notes, Issued on February 18, 2022
Related Party Transactions
Aggregate principal amount														$ 3.0
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| A1 Convertible Notes, Issued on 9th March, 2022
Related Party Transactions
Aggregate principal amount													$ 3.0
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| A1 Convertible Notes, Issued on April 14, 2022
Related Party Transactions
Aggregate principal amount												$ 3.0
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| A1 Convertible Notes, Issued on June 3, 2022
Related Party Transactions
Aggregate principal amount											$ 3.0
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| A1 Convertible Notes, Issued on July 1, 2022
Related Party Transactions
Aggregate principal amount										$ 2.5
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| 2023 A1 Convertible Notes
Related Party Transactions
Interest rate (as a percent)									15.79%
Income (expense) related to change in fair value					$ 1.9
Alphaeon 1 LLC (A1) \| A1 Purchase Agreement \| March 2023 A1 Convertible Notes
Related Party Transactions
Income (expense) related to change in fair value			$ 10.1