CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
TOTAL REVENUE		$ 62,898	$ 54,693	$ 34,240
COST OF GOODS SOLD		(10,873)	(10,895)	(9,302)
RESEARCH AND DEVELOPMENT EXPENSES, NET	[1]	(38,167)	(44,616)	(33,330)
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES		(11,148)	(9,899)	(10,916)
OPERATING INCOME (LOSS)		2,710	(10,717)	(19,308)
FINANCIAL EXPENSES		(9,671)	(7,966)	(7,685)
FINANCIAL INCOME		438	407	536
FINANCIAL EXPENSES - NET		(9,233)	(7,559)	(7,149)
NET LOSS FOR THE YEAR		$ (6,523)	$ (18,276)	$ (26,457)
NET LOSS PER SHARE OF COMMON STOCK-BASIC AND DILUTED		$ (0.22)	$ (1.23)	$ (1.80)
WEIGHTED AVERAGE NUMBER OF SHARES OF COMMON STOCK USED IN COMPUTING LOSS PER SHARE - BASIC AND DILUTED		29,148,047	14,838,213	14,713,518
Goods [Member]
TOTAL REVENUE		$ 16,236	$ 15,866	$ 8,978
License and R&D Services [Member]
TOTAL REVENUE		$ 46,662	$ 38,827	$ 25,262

[1] Includes deductible grants