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Note 7 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

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

		Year Ended December 31,
		2014				2013				2012
Residential products		$	722,206			$	843,727			$	705,444
Commercial & industrial products			652,216				569,890				410,341
Other			86,497				72,148				60,521
Total		$	1,460,919			$	1,485,765			$	1,176,306

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=6534315&loc=d3e9031-108599

+ Details

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X

- Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration