PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
PREPAID EXPENSES AND OTHER CURRENT ASSETS
Prepaid operating expenses	$ 9,060	$ 5,705
Prepaid dues and subscriptions	2,886	2,674
Prepaid insurance	2,773	798
Government grants receivable	59	429
Prepaid taxes	1,818	395
Prepaid rent	403	383
Other	4,068	5,941
Total prepaid expenses and other current assets	$ 21,067	$ 16,325