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Note 1 - Nature of Operations | 3 Months Ended
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Mar. 31, 2015
Disclosure Text Block [Abstract] |
Nature of Operations [Text Block] | NOTE 1. NATURE OF OPERATIONS Energy Focus, Inc. and its subsidiaries engage in the design, development, manufacturing, marketing, and installation of energy-efficient lighting systems. Prior to 2015, we provided turnkey, high-quality, energy-efficient lighting application alternatives, primarily to the existing public-sector building market, and reported this business as a separate “solutions” segment. However, in the third quarter of 2014, we began shifting our focus away from the turnkey solutions business to align our resources with developing and selling our energy-efficient LED products into the commercial and government markets. During the first quarter of 2015, we completed all outstanding solutions-based jobs and are no longer accepting new solutions-based jobs. As such, our management has determined that the Company operates in a single industry segment. Additionally, product development remains a key focus for us. Our product development team is dedicated to developing and designing leading-edge technology LED lighting products, and we have curtailed our efforts on bidding on research contracts and grants.

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- Definition The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward. + 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=51801978&loc=d3e6003-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 2A -URI http://asc.fasb.org/extlink&oid=51801978&loc=SL51803626-108592 + Details
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