PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
PREPAID EXPENSES AND OTHER CURRENT ASSETS
Prepaid operating expenses	$ 10,028	$ 5,705
Prepaid dues and subscriptions	2,082	2,674
Prepaid insurance	1,747	798
Prepaid taxes	1,686	395
Prepaid rent	127	383
Government grants receivable	60	429
Other	1,311	5,941
Total prepaid expenses and other current assets	$ 17,041	$ 16,325