CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (CAPITAL DEFICIENCY) (USD $) In Thousands, except Share data		Total	Common Stock		Additional paid-in capital	Accumulated deficit
Beginning Balance at Dec. 31, 2009		$ 15,883	$ 81		$ 122,252	$ (106,450)
Beginning Balance (in shares) at Dec. 31, 2009	[1]		80,841,237
Share-based compensation		887			887
Exercise of options granted to employees (in shares)	[1]		172,300
Exercise of options granted to employees		159	0	[2]	159
Net loss for the period		(20,470)				(20,470)
Ending Balance at Sep. 30, 2010		(3,541)	81		123,298	(126,920)
Ending Balance (in shares) at Sep. 30, 2010	[1]		81,013,537
Beginning Balance at Dec. 31, 2010		(11,323)	81		124,044	(135,448)
Beginning Balance (in shares) at Dec. 31, 2010	[1]		81,248,472
Common stock issued for cash (net of issuance costs of $1,410) (see note 3a) (in shares)	[1]		4,000,000
Common stock issued for cash (net of issuance costs of $1,410) (see note 3a)		20,590	4		20,586
Share-based compensation		730			730
Exercise of options granted to employees (in shares)	[1]		350,045
Exercise of options granted to employees		266	1		265
Net loss for the period		(27,616)				(27,616)
Ending Balance at Sep. 30, 2011		$ (17,353)	$ 86		$ 145,625	$ (163,064)
Ending Balance (in shares) at Sep. 30, 2011	[1]		85,598,517

[1] Common Stock, $0.001 par value; Authorized - as of September 30, 2011, December 31, 2010 and September 30, 2010 - 150,000,000 shares.

[2] Represents an amount less than $1.