XML 25 R3.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Consolidated Balance Sheets [Abstract]    
Accounts receivable, less allowances $ 1,627 $ 1,213
Common stock, par value $ 2 $ 2
Common stock, shares authorized 15,000,000 15,000,000
Common stock, shares issued 5,333,630 5,270,977
Common stock, shares outstanding 5,333,630 5,270,977
Treasury stock, at par 639,138 586,746