Cover - USD ($)	12 Months Ended
	Dec. 31, 2024	Mar. 20, 2025	Jun. 28, 2024
Cover [Abstract]
Entity Registrant Name	VOLITIONRX LIMITED
Entity Central Index Key	0000093314
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2024
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Entity Common Stock Shares Outstanding		96,543,744
Entity Public Float			$ 45,489,867
Document Annual Report	true
Document Transition Report	false
Document Fin Stmt Error Correction Flag	false
Entity File Number	001-36833
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	91-1949078
Entity Address Address Line 1	1489 West Warm Springs Road
Entity Address Address Line 2	Suite 110
Entity Address City Or Town	Henderson
Entity Address State Or Province	NV
Entity Address Postal Zip Code	89014
City Area Code	646
Icfr Auditor Attestation Flag	false
Local Phone Number	650–1351
Security 12b Title	Common Stock, par value $0.001 per share
Trading Symbol	VNRX
Security Exchange Name	NYSEAMER
Entity Interactive Data Current	Yes
Auditor Name	Sadler, Gibb & Associates, LLC
Auditor Firm Id	3627
Auditor Location	Draper, UT