Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2025	Dec. 31, 2024
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 1.66	$ 1.66
Preferred Stock, Shares Authorized (in shares)	10,000,000	10,000,000
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)	$ 1.66	$ 1.66
Common Stock, Shares Authorized (in shares)	90,000,000	90,000,000
Common Stock, Shares, Issued (in shares)	5,178,176	5,178,176
Common Stock, Shares, Outstanding (in shares)	5,178,176	5,178,176