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Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares
Jun. 30, 2025
Dec. 31, 2024
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) 4,035,256 3,913,959
Common Stock, Shares, Outstanding (in shares) 3,693,176 3,571,879
Treasury Stock, Common, Shares (in shares) 342,080 342,080