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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2022
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, |
|  | 2022 |  |  | 2021 |
Primary geographical markets: |  |  |  |  |  |  |  |
United States |  | $ | 8,099,000 |  |  | $ | 7,731,000 |
Asia |  |  | 298,000 |  |  |  | 880,000 |
Other |  |  | 26,000 |  |  |  | 32,000 |
|  |  | 8,423,000 |  |  |  | 8,643,000 |
Major product lines: |  |  |  |  |  |  |  |
ODM projects |  | $ | 5,986,000 |  |  | $ | 5,462,000 |
ODM components |  |  | 2,296,000 |  |  |  | 2,972,000 |
Distribution components |  |  | 141,000 |  |  |  | 209,000 |
|  |  | 8,423,000 |  |  |  | 8,643,000 |
Timing of revenue recognition: |  |  |  |  |  |  |  |
Products transferred at a point in time |  | $ | 8,423,000 |  |  | $ | 8,643,000 |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] | The following tables presents assets (liabilities) measured at fair value on a recurring basis:
|  | As of December 31, 2022 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Marketable securities |  |  | 2,034,000 |  |  |  | - |  |  |  | - |  |  |  | 2,034,000 |
|  | $ | 2,034,000 |  |  | $ | - |  |  | $ | - |  |  | $ | 2,034,000 |
|  | As of December 31, 2021 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Certificates of deposit |  | $ | - |  |  | $ | 1,244,000 |  |  | $ | - |  |  | $ | 1,244,000 |
Marketable securities |  |  | 1,566,000 |  |  |  | - |  |  |  | - |  |  |  | 1,566,000 |
|  | $ | 1,566,000 |  |  | $ | 1,244,000 |  |  | $ | - |  |  | $ | 2,810,000 |

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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 https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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