Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Aug. 01, 2019
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Trading Symbol	ARAV
Entity Registrant Name	Aravive, Inc.
Entity Central Index Key	0001513818
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Common Stock, Shares Outstanding		11,284,964
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	001-36361
Entity Tax Identification Number	264106690
Entity Address, Address Line One	River Oaks Tower
Entity Address, Address Line Two	3730 Kirby Drive, Suite 1200
Entity Address, City or Town	Houston
Entity Address, State or Province	Texas
Entity Address, Postal Zip Code	77098
City Area Code	936
Local Phone Number	355-1910
Former Address [Member]
Document Information [Line Items]
Entity Address, Address Line One	LyondellBasell Tower
Entity Address, Address Line Two	1221 McKinney Street, Suite 3200
Entity Address, City or Town	Houston
Entity Address, State or Province	Texas
Entity Address, Postal Zip Code	77010