CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Common Class [Member]
Common stock par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized	100,000	100,000
Common stock, shares issued
Common Class B [Member]
Common stock par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized	1,200,000	1,200,000
Common stock, shares issued	974,526	969,526
Common stock, shares outstanding	974,526	969,526