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Marshall Mine	6 Months Ended
	Jun. 30, 2023
Business Combination and Asset Acquisition [Abstract]
Marshall Mine	Marshall MineOn 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 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 six months ended June 30, 2023.

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- References

No definition available.

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- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 805
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//805/tableOfContent

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