XML 13 R3.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Mar. 31, 2024
Dec. 31, 2023
 [1]
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, authorized (in shares) 50,000,000 50,000,000
Common stock, issued (in shares) 27,522,635 27,522,547
Common stock, outstanding (in shares) 18,413,088 18,502,396
Undesignated Par Value [Member]    
Preferred stock, no par value (in dollars per share) $ 0 $ 0
Preferred stock, authorized (in shares) 1,000,000 1,000,000
Designated Par Value [Member]    
Preferred stock, authorized (in shares) 25,000 25,000
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, outstanding (in shares) 0 0
[1] Derived from audited financial statements