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Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2014
Revenue Recognition [Abstract] |
Product Revenues by Geographic Location | Product revenues, classified by geographic location, are as follows:
|  | Six months ended |
|  | June 30, 2014 |  |  | June 30, 2013 |
|  | Product Revenues |  |  | % of Total |  |  | Product Revenues |  |  | % of Total |
North America |  | $ | 264,000 |  |  |  | 14 | % |  | $ | 583,000 |  |  |  | 21 | %
Japan |  |  | 1,263,000 |  |  |  | 64 | % |  |  | 1,487,000 |  |  |  | 53 | %
Europe |  |  | 438,000 |  |  |  | 22 | % |  |  | 625,000 |  |  |  | 22 | %
Other countries |  |  | — |  |  |  | — |  |  |  | 105,000 |  |  |  | 4 | %
Total product revenues |  | $ | 1,965,000 |  |  |  | 100 | % |  | $ | 2,800,000 |  |  |  | 100 | %

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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 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: 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=6534315&loc=d3e9038-108599 + Details
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