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SUBSEQUENT EVENT (Details) - USD ($) $ / shares in Units, $ in Millions | May 24, 2022 | Mar. 31, 2022 | Dec. 31, 2021
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Separation Agreement [Abstract] |  |  |
Share price (in dollars per share) |  | $ 2.05 | $ 4.17
Subsequent Event [Member] | Dr. Federoffs's [Member] |  |  |
Separation Agreement [Abstract] |  |  |
Severance benefit | $ 0.2 |  |
Payment of annual base salary | $ 0.5 |  |
Stock option outstanding (in shares) | 1,420,095 |  |
Options exercisable period | 36 months |  |
Severance benefit receivable based on performance restricted stock | $ 0.1 |  |
Share price (in dollars per share) | $ 0.81 |  |
Subsequent Event [Member] | Dr. Federoffs's [Member] | Milestone Options [Member] |  |  |
Separation Agreement [Abstract] |  |  |
Stock option outstanding (in shares) | 414,759 |  |
Options exercisable period | 36 months |  |

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