Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
CONDENSED CONSOLIDATED BALANCE SHEETS    
Accounts receivable, allowance for doubtful accounts (in dollars) $ 636 $ 631
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, shares authorized 50,000 50,000
Common stock, shares issued 15,874 15,810
Common stock, shares outstanding 15,874 15,810