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Note 1 - Nature of Operations | 3 Months Ended
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Mar. 31, 2014
Disclosure Text Block [Abstract] |
Nature of Operations [Text Block] | NOTE 1. NATURE OF OPERATIONS Energy Focus, Inc. and its subsidiaries (the “Company”) engage in the design, development, manufacturing, marketing, and installation of energy-efficient lighting systems and solutions where we serve two segments:
| ● | Products: providing military, general commercial and industrial energy-efficient lighting offerings; and
| ● | Solutions: providing turnkey, high-quality, energy-efficient lighting application alternatives, primarily to the existing public-sector building market.

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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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