Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical) (Unaudited)

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Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Consolidated Balance Sheets [Abstract]    
Accounts receivable, allowances $ 186 $ 183
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 30,653,356 30,625,764
Common stock, shares outstanding 30,653,356 30,625,764