Changes in Carrying Amount of Goodwill (Detail) (USD $)
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12 Months Ended | 3 Months Ended | 12 Months Ended | ||||
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Dec. 31, 2013
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Dec. 31, 2012
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Jun. 30, 2012
LED Replacement Lamps and Fixtures
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Dec. 31, 2013
LED Replacement Lamps and Fixtures
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Dec. 31, 2012
LED Replacement Lamps and Fixtures
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Dec. 31, 2011
LED Signage and Lighting Strips
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Dec. 31, 2013
LED Signage and Lighting Strips
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Goodwill [Line Items] | |||||||
Goodwill, Beginning Balance | $ 10,166,000 | $ 1,989,000 | $ 10,166,000 | $ 1,989,000 | |||
Business acquisition | 10,903,000 | 10,166,000 | 10,903,000 | 10,166,000 | |||
Impairment loss | (1,989,000) | (1,989,000) | (1,989,000) | (407,000) | |||
Goodwill, Ending Balance | 21,069,000 | 10,166,000 | 21,069,000 | 10,166,000 | |||
Goodwill | 23,465,000 | 23,058,000 | 407,000 | ||||
Accumulated impairment losses | $ (2,396,000) | $ (1,989,000) | $ (407,000) |
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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 of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. 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 | ||||||||||
- 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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X | ||||||||||
- Definition
Amount of loss from the write-down 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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