Segment reporting (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of operating segments [abstract]

Summary of the Analysis of Group's Assets and Revenues by Location

An analysis of the group’s assets and revenues by location is shown below:

	U.S.A.		U.K.		Germany		Total
	£000s		£000s		£000s		£000s
Non-current assets
As at December 31, 2021		17		516		9,328		9,861
As at December 31, 2022		-		1,166		9,648		10,814
Revenue analysis for the year ended December 31, 2020
Research collaboration		-		5,253		-		5,253
Royalties		-		-		226		226
		-		5,253		226		5,479
Revenue analysis for the year ended December 31, 2021
Research collaboration		-		12,023		-		12,023
Royalties		-		-		392		392
		-		12,023		392		12,415
Revenue analysis for the year ended December 31, 2022
Research collaboration		-		16,923		-		16,923
Royalties		-		-		578		578
.		-		16,923		578		17,501