Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2024	Dec. 31, 2023
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 1	$ 1
Preferred Stock, Shares Authorized (in shares)	1,000,000	1,000,000
Preferred Stock, Shares Issued (in shares)	0	0
Preferred Stock, Shares Outstanding (in shares)	0	0
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.6	$ 0.6
Common Stock, Shares Authorized (in shares)	10,000,000	10,000,000
Common Stock, Shares, Issued (in shares)	3,913,959	3,867,082
Common Stock, Shares, Outstanding (in shares)	3,571,879	3,577,002
Treasury Stock, Common, Shares (in shares)	342,080	290,080