| Cover | May 17, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | Palatin Technologies, Inc. |
| Entity Central Index Key | 0000911216 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | May 17, 2022 |
| Entity Incorporation State Country Code | DE |
| Entity Tax Identification Number | 95-4078884 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity File Number | 001-15543 |
| Entity Address Address Line 1 | 4B Cedar Brook Drive |
| Entity Address City Or Town | Cranbury |
| Entity Address State Or Province | NJ |
| Entity Address Postal Zip Code | 08512 |
| City Area Code | 609 |
| Local Phone Number | 495-2200 |
| Security 12b Title | Common Stock, par value $.01 per share |
| Trading Symbol | PTN |
| Security Exchange Name | NYSEAMER |
