Note 3 - Inventory |
6 Months Ended | ||
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Jun. 30, 2023 | |||
Notes to Financial Statements | |||
Inventory Disclosure [Text Block] |
Inventory is valued at a lower of average cost or net realizable value (NRV). As of June 30, 2023, and December 31, 2022, coal inventory includes NRV adjustments of $3.0 million and $4.9 million, respectively.
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