Stock-Based Compensation (Details 4)	6 Months Ended
Jun. 30, 2026 USD ($) $ / shares shares
Options One [Member]
Number Outstanding, shares	24,750
Number Exercisable, shares	24,750
Exercise Price \| $ / shares	$ 65.00
Weighted Average Remaining Contractual Life (years)	2 years 7 months 13 days
Proceeds to Company if Exercised \| $	$ 1,608,750
Option Two [Member]
Number Outstanding, shares	39,017
Number Exercisable, shares	39,017
Exercise Price \| $ / shares	$ 68.00
Weighted Average Remaining Contractual Life (years)	5 years 1 month 2 days
Proceeds to Company if Exercised \| $	$ 2,653,156
Option Three [Member]
Number Outstanding, shares	32,750
Number Exercisable, shares	32,750
Exercise Price \| $ / shares	$ 72.00
Weighted Average Remaining Contractual Life (years)	3 years 10 months 13 days
Proceeds to Company if Exercised \| $	$ 2,358,000
Option Four [Member]
Number Outstanding, shares	22,043
Number Exercisable, shares	22,043
Exercise Price \| $ / shares	$ 80.00
Weighted Average Remaining Contractual Life (years)	9 months 10 days
Proceeds to Company if Exercised \| $	$ 1,763,440
Option Five [Member]
Number Outstanding, shares	4,459
Number Exercisable, shares	4,459
Exercise Price \| $ / shares	$ 87.60
Weighted Average Remaining Contractual Life (years)	1 year 6 months 25 days
Proceeds to Company if Exercised \| $	$ 390,608
Total Option [Member]
Number Outstanding, shares	151,821
Number Exercisable, shares	151,821
Proceeds to Company if Exercised \| $	$ 11,644,154
Option Six [Member]
Number Outstanding, shares	2,500
Number Exercisable, shares	2,500
Exercise Price \| $ / shares	$ 96.00
Weighted Average Remaining Contractual Life (years)	6 months 3 days
Proceeds to Company if Exercised \| $	$ 240,000
Option Seven [Member]
Number Outstanding, shares	26,302
Number Exercisable, shares	26,302
Exercise Price \| $ / shares	$ 100.00
Weighted Average Remaining Contractual Life (years)	8 months 26 days
Proceeds to Company if Exercised \| $	$ 2,630,200

Amount of cash inflow from exercise of option under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2A
-Subparagraph (a)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2A

+ Details

Name:	us-gaap_ProceedsFromStockOptionsExercised
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_OptionsOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_OptionTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_StockOptionThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_OptionFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_OptionFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_TotalStockOptionOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_StockOptionSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=vnrx_StockOptionSevenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: