ACCRUED OTHER EXPENSES (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ACCRUED OTHER EXPENSES
Accrued research and development costs	$ 3,470	$ 550
Accrued IPO costs		452
Accrued license fees		300
Accrued other	411	285
Total accrued other expenses	$ 3,881	$ 1,587