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Note 5 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

		Three Months Ended March 31,
		2015				2014
Residential products		$	156,835			$	163,969
Commercial & industrial products			133,763				157,370
Other			21,220				20,669
Total		$	311,818			$	342,008

X

- Definition

Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 40

-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9031-108599

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

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