INCOME TAXES (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
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