CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Allowance for Doubtful Accounts of $613 and $930, respectively (in Dollars)	$ 613	$ 930
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	50,144,703	52,253,125
Common stock, shares outstanding	50,144,703	52,253,125