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Note 6 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

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

		Three Months Ended March 31,
		2016				2015
Residential products		$	158,980			$	156,835
Commercial & industrial products			102,991				133,763
Other			24,564				21,220
Total		$	286,535			$	311,818

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=68060357&loc=d3e9031-108599

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Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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