SHARE-BASED COMPENSATION (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Stock-based compensation	$ 2,148	$ 549	$ 3,007	$ 1,016
Selling, General and Administrative Expenses [Member]
Stock-based compensation	2,027	496	2,629	925
Research and Development Expense [Member]
Stock-based compensation	$ 121	$ 53	$ 378	$ 91