Subsequent Event	12 Months Ended
Dec. 31, 2025
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On January 26, 2026, we announced that the Company had entered into a non-binding letter of intent (the “Letter of Intent”) with the U.S. Department of Commerce covering a total of $1.6 billion, including $277.0 million in direct funding awards under the CHIPS Act, and $1.3 billion in senior secured debt with a 15-year term with an expected rate of Treasury plus 150 basis points (“bps”) (collectively, the “Expected U.S. Government Transaction”). As conditions to entry in definitive documentation for the Expected U.S. Government Transaction (the “Definitive Agreements”), the Company must satisfy certain conditions, including, without limitation: (i) raise at least $500 million from non-federal sources, (ii) obtain two memoranda of understanding from semiconductor end or midstream users, (iii) obtain neodymium praseodymium oxide and MREC feedstock supply agreements with a term at least through 2027, (iv) exercise a surface purchase option with the Texas General Land Office, (v) implement certain third-party recommendations and third-party validation of nuclear material licensing requirements at the Company’s research and development facility in Wheat Ridge, Colorado, and (vi) define a power infrastructure plan for the Company’s magnet manufacturing facility in Stillwater, Oklahoma. In addition, the U.S. government’s $277 million in Direct Funding Awards includes a condition that the Company issue to the U.S. government $277 million of common stock (approximately 16.1 million shares issued at $17.17 per share) and the $1.3 billion Senior Secured Loan also requires the issuance of warrants to the government representing an additional 10% of the Company’s fully diluted shares outstanding prior to the Private Placement (approximately 17.5 million shares with an exercise price of $17.17 per share and a 10-year exercise period). In addition, to meet certain milestones to obtain funding awards and debt under the Expected U.S. Government Transaction, the Company will be required to i) raise at least $600 million of additional equity by December 31, 2027; and ii) establish a $250 million revolving credit facility by December 31, 2026. The Letter of Intent for the Expected U.S. Government Transaction is non-binding and remains subject to negotiation and execution of Definitive Agreements, satisfaction of conditions precedent, and final government approvals. On January 27, 2026 the Company closed its $1.50 billion PIPE financing agreement (the “$1.5B PIPE”) with multiple investors. Under the $1.5B PIPE, on January 28, 2026, the Company issued 69.8 million shares of the Company’s common stock and received $1.45 billion cash, net of financing costs. The cash received under the $1.5B PIPE will be used for general corporate purposes. On February 13, 2026, the Company paid all outstanding amounts plus accrued interest under the Loan Facility, and Barclays and the Company extinguished the Loan Facility. On February 27, 2026 the Company entered into a lease arrangement for property located in Washington, D.C. to house the Company’s general and administrative activities. The lease will commence on July 1, 2026 and will expire on August 31, 2032 and consists of office space. The lease payments over the entire term are approximately $3.0 million plus applicable taxes and common maintenance fees On March 4, 2026, the Company signed a definitive agreement to acquire all shares of TMRC for 3.82 million shares of the Company’s Common Stock in an all equity transaction. The total acquisition is value at approximately $72.3 million. The Company expects to complete this acquisition in the third quarter of fiscal year 2026.

On January 26, 2026, we announced that the Company had entered into a non-binding letter of intent (the “Letter of Intent”) with the U.S. Department of Commerce covering a total of $1.6 billion, including $277.0 million in direct funding awards under the CHIPS Act, and $1.3 billion in senior secured debt with a 15-year term with an expected rate of Treasury plus 150 basis points (“bps”) (collectively, the “Expected U.S. Government Transaction”).

As conditions to entry in definitive documentation for the Expected U.S. Government Transaction (the “Definitive Agreements”), the Company must satisfy certain conditions, including, without limitation: (i) raise at least $500 million from non-federal sources, (ii) obtain two memoranda of understanding from semiconductor end or midstream users, (iii) obtain neodymium praseodymium oxide and MREC feedstock supply agreements with a term at least through 2027, (iv) exercise a surface purchase option with the Texas General Land Office, (v) implement certain third-party recommendations and third-party validation of nuclear material licensing requirements at the Company’s research and development facility in Wheat Ridge, Colorado, and (vi) define a power infrastructure plan for the Company’s magnet manufacturing facility in Stillwater, Oklahoma. In addition, the U.S. government’s $277 million in Direct Funding Awards includes a condition that the Company issue to the U.S. government $277 million of common stock (approximately 16.1 million shares issued at $17.17 per share) and the $1.3 billion Senior Secured Loan also requires the issuance of warrants to the government representing an additional 10% of the Company’s fully diluted shares outstanding prior to the Private Placement (approximately 17.5 million shares with an exercise price of $17.17 per share and a 10-year exercise period). In addition, to meet certain milestones to obtain funding awards and debt under the Expected U.S. Government Transaction, the Company will be required to i) raise at least $600 million of additional equity by December 31, 2027; and ii) establish a $250 million revolving credit facility by December 31, 2026.

On January 27, 2026 the Company closed its $1.50 billion PIPE financing agreement (the “$1.5B PIPE”) with multiple investors. Under the $1.5B PIPE, on January 28, 2026, the Company issued 69.8 million shares of the Company’s common stock and received $1.45 billion cash, net of financing costs. The cash received under the $1.5B PIPE will be used for general corporate purposes.