XML 24 R43.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 9 - Segment Information (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Note 9 - Segment Information (Details) [Line Items] |  |  |  |
Number of Reportable Segments |  |  | 2 |
Chemicals [Member] |  |  |  |
Note 9 - Segment Information (Details) [Line Items] |  |  |  |
Number of Reportable Segments |  |  | 2 |
Sales Revenue, Goods, Net [Member] | Geographic Concentration Risk [Member] | MEXICO |  |  |  |
Note 9 - Segment Information (Details) [Line Items] |  |  |  |
Concentration Risk, Percentage | 2.00% | 3.00% | 2.00% | 3.00%
Sales Revenue, Goods, Net [Member] | Geographic Concentration Risk [Member] | Other Countries [Member] |  |  |  |
Note 9 - Segment Information (Details) [Line Items] |  |  |  |
Concentration Risk, Percentage | 1.00% | 1.00% | 1.00% | 1.00%

X
- Details
Name: | ff_Note9SegmentInformationDetailsLineItems
Namespace Prefix: | ff_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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 No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration