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BUSINESS SEGMENTS (Tables) | 12 Months Ended
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May 31, 2013
Segment Reporting [Abstract] |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  |  |  | 2013 |  | 2012
Net sales: |  |  |  |  |
| Europe |  | $ | 2,840,000 | $ | 2,533,000
| United States |  |  | 822,000 |  | 1,074,000
| Asia |  |  | 2,770,000 |  | 2,420,000
| South America |  |  | 7,000 |  | 2,000
| Middle East |  |  | 31,000 |  | 22,000
| Other foreign |  |  | 3,000 |  | 30,000
| Total net sales |  | $ | 6,473,000 | $ | 6,081,000

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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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