INVENTORIES

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

INVENTORIES

INVENTORIES:

Inventory components consist of the following:

	March 31, 2020		December 31, 2019
Coal	$	4,621	$	2,484
Supplies	54,017		51,647
Total Inventories	$	58,638	$	54,131

Inventories are stated at the lower of cost or net realizable value. The cost of coal inventories is determined by the first-in, first-out (“FIFO”) method. Coal inventory costs include labor, supplies, equipment costs, operating overhead, depreciation, depletion, amortization and other related costs. The cost of supplies inventory is determined by the average cost method and includes operating and maintenance supplies to be used in the Company's coal operations.