NATURE OF OPERATIONS (Details) $ in Millions			3 Months Ended
	Jun. 26, 2023 USD ($) employee	Jan. 26, 2023 shares	Jun. 30, 2023 USD ($)	Jun. 30, 2024 shares	Dec. 31, 2023 shares	Jan. 25, 2023 shares
NATURE OF OPERATIONS
Reverse stock split		1-for-10
Common stock authorized (in shares) | shares		30,000,000		30,000,000	30,000,000	300,000,000
Severance and termination-related costs | $			$ 0.9
Cell Ready Purchase Agreement
NATURE OF OPERATIONS
Consideration for purchased assets | $	$ 19.0
Cell Ready Purchase Agreement | Discontinued Operations, Disposed of by Sale
NATURE OF OPERATIONS
Consideration for purchased assets | $	$ 19.0
Number of former employees offered employment | employee	50
Maximum
NATURE OF OPERATIONS
Common stock authorized (in shares) | shares		300,000,000
Minimum
NATURE OF OPERATIONS
Common stock authorized (in shares) | shares		30,000,000