INCOME TAXES - Deferred Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax (liabilities):
Deferred taxes, net	$ 0	$ 0
Federal
Deferred tax assets:
Deferred tax assets	9,553	6,390
Valuation allowance	(9,553)	(6,390)
Foreign
Deferred tax assets:
Deferred tax assets	12,211	8,455
Valuation allowance	(12,169)	(8,430)
Deferred tax (liabilities):
Deferred tax (liabilities)	$ (42)	$ (25)