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BUSINESS SEGMENTS | 12 Months Ended
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May 31, 2018
Segment Reporting [Abstract] |
Segment Reporting Disclosure [Text Block] | 7. BUSINESS SEGMENTS The Company operates as one segment. Geographic information regarding net sales is approximately as follows:
Years ended May 31, | 2018 |  | 2017
Net sales: |  |  |  |  |
Europe | $ | 2,023,000 |  | $ | 2,238,000
United States |  | 685,000 |  |  | 874,000
Asia |  | 2,506,000 |  |  | 2,412,000
South America |  | 214,000 |  |  | 65,000
Middle East |  | 132,000 |  |  | 186,000
Other foreign |  | 4,000 |  |  | 17,000
Total net sales | $ | 5,564,000 |  | $ | 5,792,000

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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