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CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
CONSOLIDATED BALANCE SHEETS    
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 200,000,000 200,000,000
Common Stock, Shares Issued 84,672,258 89,275,002
Common Stock, Shares Outstanding 84,672,258 89,275,002