v3.23.1
Document and Entity Information
Mar. 20, 2023
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001888654
Document Type 8-K
Document Period End Date Mar. 20, 2023
Entity Registrant Name 5E Advanced Materials, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-41279
Entity Tax Identification Number 87-3426517
Entity Address, Address Line One 19500 State Highway 249
Entity Address, Address Line Two Suite 125
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77070
City Area Code (346)
Local Phone Number 439-9656
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock
Trading Symbol FEAM
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false