Quarterly report pursuant to Section 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
Jun. 30, 2012
Dec. 31, 2011
Consolidated Balance Sheets [Abstract]    
Accounts receivable, net of allowance for doubtful accounts $ 68 $ 83
Preferred stock, shares authorized 2,000,000 2,000,000
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares outstanding 0 0
Common stock, shares authorized 40,000,000 40,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares outstanding 25,981,534 25,756,442