| Cover | Mar. 03, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 03, 2023 |
| Entity File Number | 000-55321 |
| Entity Registrant Name | I-MINERALS INC. |
| Entity Central Index Key | 0001405663 |
| Entity Tax Identification Number | 20-4644299 |
| Entity Incorporation, State or Country Code | Z4 |
| Entity Address, Address Line One | Suite 1100 |
| Entity Address, Address Line Two | 1199 West Hastings Street |
| Entity Address, City or Town | Vancouver |
| Entity Address, State or Province | BC |
| Entity Address, Postal Zip Code | V6E 3T5 |
| City Area Code | (877) |
| Local Phone Number | 303-6573 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
