REVENUE - Company's disaggregation of revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues	$ 62,898	$ 54,693	$ 34,240
Goods [Member]
Revenues	16,236	15,866	8,978
Goods [Member] | Pfizer [Member]
Revenues	8,105	6,722	5,320
Goods [Member] | Brazil [Member]
Revenues	8,000	9,144	3,658
Goods [Member] | Chiesi [Member]
Revenues	131
License and R&D Services [Member]
Revenues	46,662	$ 38,827	$ 25,262
License and R&D Services [Member] | Chiesi US Agreement and Chiesi Ex US Agreement [Member] | Change in Accounting Method Accounted for as Change in Estimate [Member]
Revenues	$ 12,800