Note 3 - Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30, 2020		September 30, 2019		September 30, 2020		September 30, 2019
Coal Revenue	$	184,375	$	301,542	$	542,140	$	984,665
Terminal Revenue		17,008		16,303		49,407		50,829
Freight Revenue		12,909		3,599		19,141		14,115
Total Revenue from Contracts with Customers	$	214,292	$	321,444	$	610,688	$	1,049,609