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Condensed Consolidated Balance Sheets (Parentheticals) - $ / shares
Mar. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 58,000,000 58,000,000
Common Stock, Shares, Issued 30,137,141 30,137,141
Treasury Stock, Common, Shares 2,421,525 2,697,058