CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Sep. 30, 2012	Dec. 31, 2011
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001	[1]
Preferred stock, shares authorized	2,000	2,000	[1]
Preferred stock, shares issued	0	0	[1]
Preferred stock, shares outstanding	0	0	[1]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001	[1]
Common stock, shares authorized	50,000	50,000	[1]
Common stock, shares issued	22,077	20,578	[1]
Common stock, shares outstanding	22,077	20,578	[1]

[1] Amounts derived from the audited financial statements for the year ended December 31, 2011.