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Product and Geographic Information | 12 Months Ended
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Dec. 31, 2017
Segment Reporting [Abstract] |
Product and Geographic Information | PRODUCT AND GEOGRAPHIC INFORMATION During 2013, we sold our pool products business. During 2014, we shifted our focus away from the turnkey solutions business to align our resources with developing and selling our LED products and completed our exit of that business in September 2015. With the exit from EFLS and sale of CLL, we have aligned our resources 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. Our products are sold primarily in the United States through a combination of direct sales employees, independent sales representatives and distributors. We currently operate in a single industry segment, developing and selling our energy-efficient light-emitting diode (“LED”) lighting products into the military maritime and commercial markets. The following table provides a breakdown of product net sales from continuing operations for the years indicated (in thousands):
| Year ended December 31,
| 2017 |  | 2016 |  | 2015
Commercial | $ | 15,217 |  |  | $ | 14,809 |  |  | $ | 14,156 |
Military maritime | 4,629 |  |  | 16,189 |  |  | 50,128 |
R&D services | — |  |  | — |  |  | 119 |
Total net sales | $ | 19,846 |  |  | $ | 30,998 |  |  | $ | 64,403 |
A geographic summary of net sales from continuing operations is as follows (in thousands):
| For the year ended December 31,
| 2017 |  | 2016 |  | 2015
United States | $ | 19,446 |  |  | $ | 29,840 |  |  | $ | 64,251 |
International | 400 |  |  | 1,158 |  |  | 152 |
Total net sales | $ | 19,846 |  |  | $ | 30,998 |  |  | $ | 64,403 |
At December 31, 2017 and 2016, approximately 98 percent and 99 percent of our long-lived assets, respectively, which consist of property and equipment, were located in the United States.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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