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Financial Information Relating to Operating Segments (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Dec. 31, 2013
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| Segment Reporting Information [Line Items] | |||||
| Total revenues from external customers | $ 17,517 | $ 7,357 | $ 22,459 | $ 13,669 | |
| Segment (loss) income | (1,899) | 331 | (4,014) | 321 | |
| Corporate expenses | (1,287) | (1,645) | (2,634) | (3,787) | |
| Change in fair value of embedded derivative | (3,821) | (6,990) | |||
| Interest expense | (372) | (459) | |||
| Deferred income tax benefit | 5,964 | 5,964 | |||
| Other income (expense) | (9) | (17) | 3 | ||
| Loss from continuing operations | 2,410 | (5,135) | (1,160) | (10,453) | |
| Segment depreciation and amortization | 1,523 | 1,062 | 2,075 | 2,045 | |
| Corporate depreciation and amortization | 2 | 6 | 5 | 11 | |
| Total depreciation and amortization | 1,525 | 1,028 | 2,079 | 1,977 | |
| Asset | 110,066 | 110,066 | 52,237 | ||
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Reportable Segment
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| Segment Reporting Information [Line Items] | |||||
| Asset | 108,670 | 108,670 | 57,513 | ||
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Elimination of intercompany receivables
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| Segment Reporting Information [Line Items] | |||||
| Asset | (104) | (104) | (14,231) | ||
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Corporate, Non-Segment
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| Segment Reporting Information [Line Items] | |||||
| Asset | 1,500 | 1,500 | 8,955 | ||
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Lighting Fixtures and Lamps
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| Segment Reporting Information [Line Items] | |||||
| Total revenues from external customers | 16,206 | 6,505 | 20,209 | 11,966 | |
| Segment (loss) income | (1,860) | 354 | (3,754) | 414 | |
| Segment depreciation and amortization | 1,450 | 1,005 | 1,917 | 1,930 | |
| Asset | 103,615 | 103,615 | 50,553 | ||
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Lighting Signage and Media
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| Segment Reporting Information [Line Items] | |||||
| Total revenues from external customers | 1,311 | 852 | 2,250 | 1,703 | |
| Segment (loss) income | (39) | (23) | (260) | (93) | |
| Segment depreciation and amortization | 73 | 57 | 158 | 115 | |
| Asset | 5,055 | 5,055 | 6,960 | ||
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Total depreciation and amortization
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| Segment Reporting Information [Line Items] | |||||
| Interest expense | (359) | (459) | |||
| Total depreciation and amortization | $ 1,525 | $ 1,068 | $ 2,080 | $ 2,056 | |