CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
REVENUES	$ 26,113		$ 764		$ 29,974		$ 4,892
COMPANY'S SHARE IN COLLABORATION AGREEMENT	(855)		(5,382)		(988)		(3,510)
COST OF REVENUES	(3,279)		(132)		(4,599)		(910)
GROSS PROFIT (LOSS)	21,979		(4,750)		24,387		472
RESEARCH AND DEVELOPMENT EXPENSES	(10,544)	[1]	(8,768)	[1]	(19,391)	[1]	(19,331)	[1]
less - grants and reimbursements	1,689		1,449		3,692		3,741
RESEARCH AND DEVELOPMENT EXPENSES, NET	(8,855)		(7,319)		(15,699)		(15,590)
GENERAL AND ADMINISTRATIVE EXPENSES	(3,504)	[2]	(1,799)	[2]	(5,133)	[2]	(3,788)	[2]
OPERATING Profit (LOSS)	9,620		(13,868)		3,555		(18,906)
FINANCIAL INCOME - NET	22		179		183		165
NET PROFIT (LOSS) FOR THE PERIOD	$ 9,642		$ (13,689)		$ 3,738		$ (18,741)
EARNINGS (LOSS) PER SHARE OF COMMON STOCK:
BASIC	$ 0.11		$ (0.16)		$ 0.04		$ (0.22)
DILUTED	$ 0.10		$ (0.16)		$ 0.04		$ (0.22)
WEIGHTED AVERAGE NUMBER OF SHARES OF COMMON STOCK USED IN COMPUTING EARNINGS (LOSS) PER SHARE:
BASIC	91,526,224		85,579,534		89,702,496		83,686,094
DILUTED	94,881,167		85,579,534		92,670,033		83,686,094

[1] Includes share-based compensation 2,445 256 2,384 152

[2] Includes share-based compensation 1,314 265 1,246 127