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Inventories - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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| Schedule of Inventory [Line Items] | ||
| Write Down of inventory | $ 619,619 | $ 624,618 |
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Seesmart Technologies Incorporated
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| Schedule of Inventory [Line Items] | ||
| Inventory, finished goods | 1,215,268 | |
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LED Replacement Lamps and Fixtures
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| Schedule of Inventory [Line Items] | ||
| Write Down of inventory | $ 387,196 | |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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