| Document And Entity Information | Oct. 28, 2021 |
| Document Information [Line Items] | |
| Entity, Registrant Name | Aravive, Inc. |
| Document, Type | 8-K |
| Document, Period End Date | Oct. 28, 2021 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 001-36361 |
| Entity, Tax Identification Number | 26-4106690 |
| 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 | TX |
| Entity, Address, Postal Zip Code | 77098 |
| City Area Code | 936 |
| Local Phone Number | 355-1910 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock |
| Trading Symbol | ARAV |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001513818 |
