Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS [Parenthetical]

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CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Allowance for doubtful accounts (in dollars) $ 0 $ 13
Accumulated depreciation (in dollars) $ 3,608 $ 3,389
Common Stock, par value (in dollars per share) $ 0.0005 $ 0.0005
Common Stock, shares authorized 50,000,000 50,000,000
Common Stock, shares issued 20,161,636 19,353,672
Treasury stock, shares 5,336,053 4,646,053