REVENUES - Company's disaggregation of revenues (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues									$ 54,693	$ 34,240	$ 21,078
Recognized revenues related to future milestone payment	$ 4,500
Future milestone payment	10,000								10,000
Pfizer [Member]
Revenues									6,722	5,320	12,181
Brazil [Member]
Revenues									9,144	3,658	7,061
Goods [Member]
Revenues	3,780	$ 5,126	$ 3,430	$ 3,530	$ 1,756	$ 663	$ 2,006	$ 4,553	15,866	8,978	19,242
License and R&D Services [Member]
Revenues	$ 13,979	$ 9,122	$ 8,817	$ 6,909	$ 8,597	$ 11,672	$ 2,832	$ 2,161	$ 38,827	$ 25,262	$ 1,836