Note 4 - Other Long-term Assets

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Other Assets Disclosure [Text Block]

(4) OTHER LONG-TERM ASSETS (in thousands)

	March 31,		December 31,
	2021		2020
Advanced coal royalties	$	6,481	$	6,449
Other		1,780		1,809
Total other assets	$	8,261	$	8,258