CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 52,035	$ 27,001
Accounts receivable- Trade	1,410	1,374
Other assets	3,686	3,837
Inventories	4,039	279
Total current assets	61,170	32,491
FUNDS IN RESPECT OF EMPLOYEE RIGHTS UPON RETIREMENT	1,247	1,043
PROPERTY AND EQUIPMENT, NET	16,310	18,271
Total assets	78,727	51,805
Accounts payable and accruals:
Trade	5,267	5,032
Other	11,051	7,540
Deferred revenues	9,437	6,121
Total current liabilities	25,755	18,693
LONG TERM LIABILITIES:
Deferred revenues	48,888	50,923
Liability in connection with collaboration operation	5,425	6,566
Liability for employee rights upon retirement	2,016	1,700
Total long term liabilities	56,329	59,189
Total liabilities	82,084	77,882
COMMITMENTS (Note 6)
CAPITAL DEFICIENCY:
Common Stock, $0.001 par value: Authorized - as of December 31, 2011 and 2012, 150,000,000 shares; issued and outstanding - as of December 31, 2011 and 2012, 85,630,157 and 93,489,809 shares, respectively	93	86
Additional paid-in capital	180,145	145,814
Accumulated deficit	(183,595)	(171,977)
Total capital deficiency	(3,357)	(26,077)
Total liabilities net of capital deficiency	$ 78,727	$ 51,805