Quarterly report pursuant to sections 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Consolidated Balance Sheets [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 1,858 $ 1,773
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 21,980,806 21,330,235
Common stock, shares outstanding 21,783,118 21,132,545