INCOME TAXES - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Jul. 31, 2023
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 0	$ 156,000	$ 0	$ 156,000
Pre-tax loss	11,588,000	$ 32,579,000	25,818,000	$ 49,374,000
Increases during the period			0
Unrecognized tax benefits	8,844,000		8,844,000		$ 8,844,000
Unrecognized tax benefits would impact effective tax rate	600,000		600,000
Australia R&D tax incentive	$ 1,134,000		$ 1,134,000		$ 1,122,000	$ 1,100,000