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Investments in Unconsolidated Entities (Details 2) (USD $) In Thousands, unless otherwise specified			1 Months Ended	12 Months Ended	1 Months Ended
	Feb. 28, 2014	Aug. 31, 2013	Oct. 31, 2012 High Power Optoelectronics	Aug. 31, 2013 High Power Optoelectronics	Oct. 31, 2012 High Power Optoelectronics Minimum
Cost Method Investments
Percentage of cost method investee owned			9.90%
Investment of equity interest	$ 1,971	$ 1,986	$ 2,900
Option to increase equity interest (as a percent)					50.00%
Period within which the entity can exercise option to increase equity interest			1 year
Impairment loss on investment				$ 1,885

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the cost method of accounting.

+ References

No definition available.

+ Details

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X

- Definition

Represents the option held by the entity to increase or decrease its ownership interest under the cost method investment, expressed as a percentage.

+ References

No definition available.

+ Details

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X

- Definition

Represents the period within which the entity can exercise the option to increase or decrease its ownership interest under the cost method investment.

+ References

No definition available.

+ Details

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Namespace Prefix:	leds_
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X

- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=29638308&loc=d3e40346-111594

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- Definition

This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the cost method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596

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