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INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Intangible Assets |  |
Accumulated amortization | $ (3,894) | $ (3,710)
Intangible assets, net | 1,655 | 1,715
Patents [Member] |  |
Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 3,698 | 3,698
Capitalized software development [Member] |  |
Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | 1,841 | 1,717
Domain Name [Member] |  |
Intangible Assets |  |
Finite-Lived Intangible Assets, Gross | $ 10 | $ 10

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