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Income Tax Credit - Schedule of Reconciliation of Accounting Loss per Statement of Operations (Parenthetical) (Details)			12 Months Ended
	Apr. 01, 2020	Sep. 06, 2016	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
U.K. [member]
Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates [Line Items]
Applicable tax rate	19.00%	19.00%	19.00%	19.00%	19.00%

X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2020-01-01

+ Details

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X

- Definition

Reconciliation of accounting profit multiplied by applicable tax rates.

+ References

No definition available.

+ Details

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