Note 4 - Miscellaneous Other Income (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Other Income (Loss) [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Royalty Income - Non-Operated Coal	$	2,821	$	2,241	$	5,095	$	9,638
Interest Income		737		76		2,406		442
Rental Income		256		255		716		1,077
Contract Buyout		—		—		—		40,969
Sale of Certain Coal Lease Contracts		—		17,847		—		17,847
Other		467		582		1,287		1,134
Miscellaneous Other Income	$	4,281	$	21,001	$	9,504	$	71,107