Note 3 - Inventory

6 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Inventory Disclosure [Text Block]

(3) INVENTORY

Inventory is valued at lower of average cost or net realizable value (NRV).  As of June 30, 2021, and December 31, 2020, coal inventory includes NRV adjustments of $2.8 million and $1.6 million, respectively, a majority of which resulted from utilizing low sulfur coal from our Ace in the Hole mine which was necessary to blend with Oaktown coal to ship to and create additional opportunities in the southeast market.