CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
REVENUES	$ 764		$ 1,141		$ 4,892		$ 2,282
COMPANY'S SHARE IN COLLABORATION AGREEMENT	(5,382)		(528)		(3,510)		(822)
COST OF REVENUES	(132)		0		(910)		0
GROSS PROFIT (LOSS)	(4,750)		613		472		1,460
RESEARCH AND DEVELOPMENT EXPENSES	(8,768)	[1]	(10,347)	[1]	(19,331)	[1]	(19,325)	[1]
less - grants and reimbursements	1,449		849		3,741		2,479
RESEARCH AND DEVELOPMENT EXPENSES, NET	(7,319)		(9,498)		(15,590)		(16,846)
GENERAL AND ADMINISTRATIVE EXPENSES	(1,799)	[2]	(1,265)	[2]	(3,788)	[2]	(2,884)	[2]
OPERATING LOSS	(13,868)		(10,150)		(18,906)		(18,270)
FINANCIAL INCOME - NET	179		109		165		274
NET LOSS FOR THE PERIOD	$ (13,689)		$ (10,041)		$ (18,741)		$ (17,996)
NET LOSS PER SHARE OF COMMON STOCK - BASIC AND DILUTED:	$ 0.16		$ 0.12		$ 0.22		$ 0.22
WEIGHTED AVERAGE NUMBER OF SHARES OF COMMON STOCK USED IN COMPUTING LOSS PER SHARE:
Basic and diluted	85,579,534		80,872,940		83,686,094		80,861,857

[1] (1) Includes share-based compensation 256 218 152 97

[2] Includes share-based compensation 265 314 127 151