Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Jul. 31, 2021
Document Information [Line Items]
Entity Central Index Key	0001513818
Entity Registrant Name	Aravive, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	001-36361
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-4106690
Entity Address, Address Line One	River Oaks Tower 3730 Kirby Drive, Suite 1200
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77098
City Area Code	936
Local Phone Number	355-1910
Title of 12(b) Security	Common stock, par value $0.0001 per share
Trading Symbol	ARAV
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		20,714,004