Description Of Business And Basis Of Presentation (Narrative) (Details) (USD $)	3 Months Ended	0 Months Ended		0 Months Ended
Mar. 31, 2013	May 20, 2013 PowerSecure Solar [Member]	Jun. 05, 2012 PowerSecure Solar [Member]	May 22, 2013 IES [Member]	Apr. 01, 2010 IES [Member]
Description Of Business And Basis Of Presentation [Line Items]
Percentage of controlling ownership		10.00%	90.00%	33.00%	67.00%
Cash payment to acquire business interest	$ 1,835,000	$ 153,000
Number of shares exchanged to acquire business interest				209,000
Value of shares exchanged to acquire business interest				$ 2,900,000

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Payments To Acquired Businesses And Interest In Affiliates, Shares

+ References

No definition available.

+ Details

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- Definition

Payments To Acquired Businesses And Interest In Affiliates, Shares, Value

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No definition available.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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