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Marshall Mine
9 Months Ended
Sep. 30, 2024
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]  
Marshall Mine Marshall Mine
On March 27, 2023, (the "MM Closing Date"), the Company completed the sale of all of its membership interests in     Marshall Mine, LLC to a third party (the "Buyer") in exchange for a cash payment of $2.2 million (the "MM Purchase Price") made by the Company to the Buyer and the assumption by the Buyer of certain liabilities of Marshall Mine, LLC. As of the MM Closing Date, Marshall Mine, LLC had outstanding liabilities of approximately $4.9 million that were discharged upon payment of the MM Purchase Price by the Company, and the Company recognized a gain of approximately $2.7 million in the Statement of Operations for the nine months ended September 30, 2023.