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Nature of Operations | 12 Months Ended
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Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Nature of Operations | NATURE OF OPERATIONS Energy Focus, Inc. and its subsidiaries engage in the design, development, manufacturing, marketing, and installation of energy-efficient lighting systems. We operate in a single industry segment, developing and selling our energy-efficient light-emitting diode ("LED") lighting products into the military maritime, and general commercial and industrial markets. We have aligned our resourced and focused our efforts on the sale of LED lighting products, in particular our military and commercial tubular LED ("TLED") lines of products, into targeted vertical markets. During 2014, we shifted our focus away from the turnkey solutions business, which had historically incurred lower gross margins. We completed all outstanding solutions-based projects in the first quarter of 2015, are no longer accepting new projects, and had fully exited the business as of September 2015. In August 2015, we sold our United Kingdom subsidiary, Crescent Lighting Limited ("CLL"). In 2013, we sold and discontinued our pool products business. As a result of exiting the turnkey solutions, CLL, and the pool products businesses, we have eliminated all net sales and expenses associated with both businesses from the Consolidated Statements of Operations and reported the net losses as discontinued operations. Please refer to Note 3, "Discontinued Operations," for more information on our disposition of these businesses. Additionally, product development is a key focus for us. Our product development team is dedicated to developing and designing leading-edge technology LED lighting products, and we have recently opened product development centers in Taiwan and Minnesota. During 2013, we curtailed our efforts on bidding on research contracts and grants to focus on product development.

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- Definition The entire disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6003-108592 + Details
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- References No definition available. + Details
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