ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Accrued pre-clinical and clinical expenses	$ 8,836	$ 9,912
Short-term insurance financing note	1,554	789
Accrued professional fees	837	419
Accrued compensation and benefits	1,484	2,779
Accrued commercial expenses	849	1,394
Accrued patent expenses	314	279
Other	458	987
Total accrued expenses & other current liabilities	$ 14,332	$ 16,559