Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Sep. 30, 2025	Dec. 31, 2024
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, authorized (in shares)	5,000,000	5,000,000
Common stock, issued (in shares)	3,706,725	2,160,000
Common stock, outstanding (in shares)	3,405,061	1,858,536
Treasury stock, shares (in shares)	301,664	301,464