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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Disaggregation of Revenue [Table Text Block] | In the following table, revenue is disaggregated by primary geographical market, major product line, and timing of revenue recognition.
|  | Twelve Months Ended December 31, |
|  | 2020 |  |  | 2019 |
Primary geographical markets: |  |  |  |  |  |  |  |
United States |  | $ | 5,955,000 |  |  | $ | 5,809,000 |
Asia |  |  | 722,000 |  |  |  | 950,000 |
Other |  |  | 19,000 |  |  |  | 24,000 |
|  |  | 6,696,000 |  |  |  | 6,783,000 |
Major product lines: |  |  |  |  |  |  |  |
ODM projects |  | $ | 3,936,000 |  |  | $ | 4,012,000 |
ODM components |  |  | 2,552,000 |  |  |  | 2,586,000 |
Distribution components |  |  | 208,000 |  |  |  | 185,000 |
|  |  | 6,696,000 |  |  |  | 6,783,000 |
Timing of revenue recognition: |  |  |  |  |  |  |  |
Products transferred at a point in time |  | $ | 6,696,000 |  |  | $ | 6,783,000 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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