CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Stockholders' Equity
Common stock, par value (in dollars per share)	$ 0.40	$ 0.40
Common stock, authorized (in shares)	6,500,000	6,500,000
Common stock, issued (in shares)	4,472,255	4,472,255
Common stock, shares outstanding (in shares)	4,277,755	4,277,755
Preferred stock, par value (in dollars per share)	$ 0.40	$ 0.40
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	17,211	17,211
Preferred stock, liquidation preferences (in dollars per share)	$ 1,000.00	$ 1,000.00
Warrants, issued (in shares)	584,084	584,084
Warrants, outstanding (in shares)	584,084	584,084
Treasury stock, at cost (in shares)	194,500	194,500