XML 47 R36.htm IDEA: XBRL DOCUMENT v3.23.3

Note 12 - Major Customers (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		For the Three Months Ended September 30,																For the Nine Months Ended September 30,
		2023								2022								2023								2022
(In thousands)		Revenues				Percent				Revenues				Percent				Revenues				Percent				Revenues				Percent
Alpha Metallurgical Resources, Inc. (1)		$	17,219				20	%		$	21,000				21	%		$	61,122				22	%		$	81,638				28	%
Foresight Energy Resources LLC ("Foresight") (1)		$	18,600				22	%		$	19,334				19	%		$	43,453				16	%		$	47,081				16	%

X

- Definition

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-20

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-18

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-16

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-21

+ Details

Name:	us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration