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Income Taxes (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent, Total	129.00%	12.00%	289.00%	171.00%
Tax Year 2014 [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent, Total				34.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent				39.00%
CREE Tax [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent, Total			9.00%
Income Tax [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent, Total			25.00%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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