Rare Element Resources (REEMF) 10-K/A 27 Apr 22 2021 FY Annual report (amended) Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Apr. 22, 2022	Jun. 30, 2021
Document and Entity Information
Document Type	10-K/A
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2021
Entity File Number	001-34852
Entity Registrant Name	RARE ELEMENT RESOURCES LTD
Entity Incorporation, State or Country Code	A1
Entity Tax Identification Number	00-0000000
Entity Address, Address Line One	P.O. Box 271049
Entity Address, City or Town	Littleton,
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80127
City Area Code	(720)
Local Phone Number	278-2460
Title of 12(b) Security	None
Entity Public Float			$ 100,600,000
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Central Index Key	0001419806
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	false
Entity Common Stock, Shares Outstanding		212,466,889
Auditor Name	BDO USA, LLP
Auditor Location	Spokane, WA
Auditor Firm ID	243
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Amendment Flag	true
Amendment Description	Rare Element Resources, Ltd. (the “Company”) will not be filing its definitive proxy materials for its 2022 annual meeting of shareholders with the U.S. Securities and Exchange Commission (“SEC”) within 120 days after the end of its fiscal year ended December 31, 2021. Accordingly, pursuant to the instructions to Form 10-K, this Amendment No. 1 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021, is being filed to include the Part III information required under the instructions to Form 10-K and the general rules and regulations under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which annual report was originally filed with the SEC on March 23, 2022. This Form 10-K/A amends and restates only Part III, Items 10, 11,12,13, and 14, and amends Part IV, Item 15 of the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021. No other Items of the previous Form 10-K filing have been amended or revised in this Form 10-K/A, and all such other Item shall be as set forth in such previous Form 10-K filing. In addition, no other information has been updated for any subsequent events occurring after March 23, 2022, the date of filing of the original Form 10-K As used in this Form 10-K/A, references to “Rare Element,” the “Company,” “we,” “our,” or “us” mean Rare Element Resources Ltd., our predecessors and consolidated subsidiaries, or any one or more of them, as the context requires.