Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2025	Dec. 31, 2024
Common stock, par value (in dollars per share)	$ 0.2	$ 0.2
Common stock, shares authorized (in shares)	4,000,000	4,000,000
Common stock, shares issued (in shares)	2,629,052	2,629,052
Common stock, shares outstanding (in shares)	2,544,246	2,537,753
Treasury stock, shares (in shares)	69,020	75,513