CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	2,877,084	2,865,046
Common stock, shares outstanding	2,877,084	2,865,046