CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Accounts Receivable, Allowance for Doubtful Accounts	$ 100	$ 100
Stockholders' Equity:
Common Stock, Par Value (in dollars per share)	$ 1	$ 1
Common Stock, Authorized (in shares)	20,000,000	20,000,000
Common Stock, Issued (in shares)	7,203,860	7,140,752
Common Stock, Shares, Outstanding	7,203,860	7,140,752
Treasury Stock at cost (in shares)	1,388,066	1,388,066