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FAIR VALUE OF FINANCIAL INSTRUMENTS, Liabilities Measured at Fair Value (Details) - USD ($) | Mar. 31, 2022 | Mar. 09, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure |  |  | $ 0
Pre-funded Warrants [Member] |  |  |
Liabilities [Abstract] |  |  |
Warrants exercisable (in shares) |  | 1,357,000 |
Common Warrants [Member] |  |  |
Liabilities [Abstract] |  |  |
Warrants exercisable (in shares) |  | 6,857,000 |
Level 1 [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | $ 0 |  |
Level 1 [Member] | Pre-funded Warrants [Member] | Warrant Liabilities [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | 0 |  |
Level 1 [Member] | Common Warrants [Member] | Warrant Liabilities [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | 0 |  |
Level 2 [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | 2,782,000 |  |
Level 2 [Member] | Pre-funded Warrants [Member] | Warrant Liabilities [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | 2,782,000 |  |
Level 2 [Member] | Common Warrants [Member] | Warrant Liabilities [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | 0 |  |
Level 3 [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | 10,533,000 |  |
Level 3 [Member] | Pre-funded Warrants [Member] | Warrant Liabilities [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | 0 |  |
Level 3 [Member] | Common Warrants [Member] | Warrant Liabilities [Member] |  |  |
Liabilities [Abstract] |  |  |
Liabilities, fair value disclosure | $ 10,533,000 |  |

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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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