Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Allowance for doubtful accounts	$ 1,047	$ 1,027	[1]
Stockholders' Equity
Common stock, par value	$ 0.001	$ 0.001	[1]
Common stock, shares authorized	100,000,000	100,000,000	[1]
Common stock, shares issued	47,412,307	47,412,307	[1]
Common stock, shares outstanding	46,559,878	46,559,878	[1]

[1] (Note 1)