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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2015
Segment Reporting [Abstract] |
Net Sales to Foreign Customers | Net sales to unaffiliated customers are to U.S. customers except foreign export sales as follows:
Geographic Area |  | 2015 |  |  | 2014 |  |  | 2013 |
|  | (In Thousands) |
Canada |  | $ | 2,711 |  |  | $ | 1,358 |  |  | $ | 2,299 |
Other |  |  | 1,006 |  |  |  | 798 |  |  |  | 685 |
|  | $ | 3,717 |  |  | $ | 2,156 |  |  | $ | 2,984 |

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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