XML 99 R84.htm IDEA: XBRL DOCUMENT v3.24.0.1

Note 21 - Segment Information (Details Textual)	12 Months Ended
	Dec. 31, 2023
Number of Reportable Segments	2
Chemicals [Member]
Number of Reportable Segments	2

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ff_ChemicalsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: