Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited)

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Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Sep. 30, 2012
Mar. 31, 2012
Condensed Consolidated Balance Sheets [Abstract]    
Allowances on trade accounts receivable $ 53 $ 43
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares authorized 500 500
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 25,500 25,500
Common stock, shares issued 10,326 10,297
Treasury stock, shares 336 346