CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Preferred stock, par value	$ 0.001	$ 0.001	[1]
Preferred stock, shares authorized	10,000,000	10,000,000	[1]
Preferred stock, shares issued	373,555	373,555	[1]
Preferred stock, shares outstanding	373,555	373,555	[1]
Preferred stock, Liquidation value	$ 2,876
Common stock, par value	$ 0.001	$ 0.001	[1]
Common stock, shares authorized	500,000,000	500,000,000	[1]
Common stock, shares issued or issuable	58,997,956	48,379,042	[1]
Common stock, shares outstanding	58,978,747	48,359,833	[1]
Treasury stock, shares	19,209	19,209	[1]

[1] Derived from audited information