CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data		Total	Common Stock	Additional paid-in capital	Accumulated deficit
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) (in shares)	[1]		4,000,000
Common stock issued for cash (net of issuance costs)		20,590	4	20,586
Share-based compensation		521		521
Exercise of options granted to employees and non-employees (in shares)	[1]		333,272
Exercise of options granted to employees and non-employees		250	1	249
Net Profit (loss) for the period		(18,741)			(18,741)
Ending Balance at Jun. 30, 2011		(8,703)	86	145,400	(154,189)
Ending Balance (in shares) at Jun. 30, 2011	[1]		85,581,744
Beginning Balance at Dec. 31, 2011		(26,077)	86	145,814	(171,977)
Beginning Balance (in shares) at Dec. 31, 2011	[1]		85,630,157
Common stock issued for cash (net of issuance costs) (in shares)	[1]		5,175,000
Common stock issued for cash (net of issuance costs)		25,388	5	25,383
Share-based compensation		3,759		3,759
Exercise of options granted to employees and non-employees (in shares)	[1]		1,117,249
Exercise of options granted to employees and non-employees		1,055	1	1,054
Net Profit (loss) for the period		3,738			3,738
Ending Balance at Jun. 30, 2012		$ 7,863	$ 92	$ 176,010	$ (168,239)
Ending Balance (in shares) at Jun. 30, 2012	[1]		91,922,406

[1] Common Stock, $0.001 par value; Authorized - as of June 30, 2012 and June 30, 2011 - 150,000,000 shares.