CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (CAPITAL DEFICIENCY) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Common stock issued for cash, issuance costs	$ 1,780	$ 1,410
Common Stock, par value	$ 0.001	$ 0.001
Common Stock, Authorized	150,000,000	150,000,000