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STOCKHOLDERS' EQUITY (Deemed Dividends) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Class of Stock [Line Items] |  |
Amount Recorded | $ 3,344 | $ 0
2018 Purchase Agreement | Deemed Dividend A |  |
Class of Stock [Line Items] |  |
Amount Recorded | 3,333 |
2018 Purchase Agreement | Deemed Dividend B |  |
Class of Stock [Line Items] |  |
Amount Recorded | 6 |
2018 Purchase Agreement | Deemed Dividend D |  |
Class of Stock [Line Items] |  |
Amount Recorded | $ 5 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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