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INCOME TAXES (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carry-forwards |  | $ 6.3 | $ 9.2
Operating loss, subject to expiration | $ 0.9 |  |
U.S. Federal, State and Local Tax Authorities |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, operating loss carry-forwards |  | 138.7 |
Deferred tax assets, operating loss carryforwards, portion available after application of IRC Section 382 limitations |  | 84.3 |
State and Local Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, operating loss carry-forwards |  | $ 48.0 |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-8 + Details
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