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Changes in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |||
|---|---|---|---|---|
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Mar. 31, 2014
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Dec. 31, 2013
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Mar. 31, 2014
LED Replacement lamps and fixtures
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Mar. 31, 2014
LED Signage and Lighting Strips
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| Goodwill [Line Items] | ||||
| Goodwill, Beginning Balance | $ 21,523 | $ 21,523 | $ 21,523 | |
| Transfer of Relume's Media business | (1,453) | 1,453 | ||
| Goodwill | 23,919 | 22,059 | 1,860 | |
| Accumulated impairment losses | (2,396) | (1,989) | (407) | |
| Goodwill, Ending Balance | $ 21,523 | $ 21,523 | $ 20,070 | $ 1,453 |
| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of transfers of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized among segments. No definition available.
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