Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 31, 2022	Jun. 30, 2021
Document Information Line Items
Entity Registrant Name	VIRPAX PHARMACEUTICALS, INC.
Trading Symbol	VRPX
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		11,714,885
Entity Public Float			$ 9,366,876
Amendment Flag	false
Entity Central Index Key	0001708331
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	false
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-40064
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-1510982
Entity Address, Address Line One	1055 Westlakes Drive
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Berwyn
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19312
City Area Code	(610)
Local Phone Number	727-4597
Title of 12(b) Security	Common Stock, par value $0.00001 per share
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Auditor Firm ID	274
Auditor Name	EisnerAmper LLP
Auditor Location	Philadelphia, Pennsylvania