CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Allowance For Doubtful Accounts Receivable	$ 923	$ 884
Redeemable Convertible Preferred Stock, Par Value Per Share	$ 1	$ 1
Redeemable Convertible Preferred Stock, Shares Authorized	500,000	500,000
Redeemable Convertible Preferred Stock, Shares Issued	416,500	416,500
Common Stock, Par Value Per Share	$ 1	$ 1
Common Stock, Shares Authorized	5,500,000	5,500,000
Common Stock, Shares Issued	5,070,424	5,070,424
Treasury Stock, Shares	383,596	383,596