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Fair Value of Financial Assets and Liabilities (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013 Derivative	Jan. 31, 2012
Fair Value of Financial Assets and Liabilities (Textual) [Abstract]
Immaterial derivative outstanding	0
Fair value liabilities Level 2	$ 0
Additional earn-out consideration payment		1,200,000
Australian Electricity Systems PTY Ltd [Member]
Business Acquisition, Contingent Consideration [Line Items]
Accrued liability additional earn out consideration payment	400,000
Forma Line Industries CC [Member]
Business Acquisition, Contingent Consideration [Line Items]
Accrued liability additional earn out consideration payment	$ 100,000
Period of earn-out contingent consideration	1 year

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+ References

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- Definition

Additional earn out contingent consideration payment maximum.

+ References

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- Definition

Earn-out contingent consideration arrangement period.

+ References

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- Definition

Fair value liabilities level two transfers in and out amount.

+ References

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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