CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Mar. 31, 2012	Dec. 31, 2011
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	24,900	24,900
Preferred stock, shares outstanding	24,900	24,900
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	28,385,308	28,412,059
Common stock, shares outstanding	28,385,308	28,412,059