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PATENTS (Details Narrative) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Amortization expense | $ 82,000 | $ 74,000 | $ 233,000 | $ 221,000
Minimum [Member] |  |  |  |
Estimated remaining economic useful of patents |  |  | 9 months |
Expiration dates of the patents within the Cox patent portfolio |  |  | July 2023 |
Expiration dates of the patents within the Company's M2M/IoT Patent Portfolio |  |  | September 2033 |
Expiration dates within companys HFT patent portfolio |  |  | October 31, 2039 |
Maximum [Member] |  |  |  |
Estimated remaining economic useful of patents |  |  | 16 years 9 months |
Expiration dates of the patents within the Cox patent portfolio |  |  | November 2023 |
Expiration dates of the patents within the Company's M2M/IoT Patent Portfolio |  |  | May 2034 |
Expiration dates within companys HFT patent portfolio |  |  | November 1, 2039 |

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