Cover - shares	6 Months Ended
	Dec. 31, 2021	Feb. 11, 2022
Cover [Abstract]
Entity Registrant Name	PALATIN TECHNOLOGIES, INC.
Entity Central Index Key	0000911216
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		231,695,273
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-15543
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	95-4078884
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
Entity Interactive Data Current	Yes