Likelihood Of Income Tax Benefit Being Realized, Percentage

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- Definition

Number Of Geographic Regions

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- Definition

Research And Development Arrangement with Federal Government, Tax Credit Annual Offset, Amount

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No definition available.

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- Definition

Research And Development Arrangement with Federal Government, Tax Credit Annual Offset, Percent

+ References

No definition available.

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- Definition

Research And Development Tax Credit, Cash Rebate Percent

+ References

No definition available.

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- Definition

Research And Development Tax Credit, Total Aid Claimable

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- Definition

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

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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.

+ References

No definition available.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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- Definition

Cash received on stock transaction after deduction of issuance costs.

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No definition available.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Summary of Significant Accounting Policies - Narrative (Details) € in Millions, £ in Millions, $ in Millions			1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 17, 2020 USD ($)	Aug. 28, 2019 USD ($)	May 31, 2021 USD ($)	Sep. 30, 2021 geographicRegion	Sep. 30, 2020	Sep. 30, 2021 GBP (£) geographicRegion	Sep. 30, 2021 EUR (€) geographicRegion	Sep. 30, 2020	Apr. 17, 2020 GBP (£)	Aug. 28, 2019 GBP (£)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Consideration received on transaction		$ 25.0	$ 154.8
Number of geographic regions \| geographicRegion				2		2	2
Expected dividend yield				0.00%	0.00%	0.00%	0.00%	0.00%
Likelihood of benefit being realized percent						50.00%	50.00%
Convertible Debt
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Convertible loan notes	$ 18.4	$ 18.4							£ 15.0	£ 15.0
Convertible B preferred stock
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Additional funding	$ 80.0
United Kingdom Research and Development Tax Credit Regime, Small or Medium-Sized Enterprises (SME)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cash rebate percent						33.35%	33.35%
Total aid claimable \| €							€ 7.5
United Kingdom Research and Development Tax Credit Regime
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cash rebate percent						21.67%	21.67%
Annual offset amount \| £						£ 5.0
Percentage of taxable profits						50.00%	50.00%