| Cover | Feb. 09, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 9, 2022 |
| Entity File Number | 001-39683 |
| Entity Registrant Name | REZOLUTE, INC. |
| Entity Central Index Key | 0001509261 |
| Entity Tax Identification Number | 27-3440894 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 201 Redwood Shores Pkwy |
| Entity Address, Address Line Two | Suite 315 |
| Entity Address, City or Town | Redwood City |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94065 |
| City Area Code | 650 |
| Local Phone Number | 206-4507 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | RZLT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
