SEGMENT INFORMATION - Long-lived assets by geographic region (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
SEGMENT INFORMATION
Long-lived assets	$ 31,431	$ 31,767
United States
SEGMENT INFORMATION
Long-lived assets	17,302	15,769
Australia
SEGMENT INFORMATION
Long-lived assets	9,353	11,180
China
SEGMENT INFORMATION
Long-lived assets	1,431	1,850
Austria
SEGMENT INFORMATION
Long-lived assets	2,435	1,179
Other countries
SEGMENT INFORMATION
Long-lived assets	$ 910	$ 1,789