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Consolidated Balance Sheet (Parentheticals) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Preferred Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Preferred Stock, Shares Authorized 50,000,000 50,000,000
Preferred Stock, Shares Issued 0 0
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 450,000,000 450,000,000
Common Stock, Shares, Issued 19,487,460 19,487,460
Common Stock, Shares, Outstanding 19,487,460 19,487,460
Cumulative Preferred Stock    
Preferred Stock, Shares Authorized 125 125
Preferred Stock, Shares Issued 125 125
Preferred Stock, Shares Outstanding 125 125
Preferred Stock, Dividend Rate, Percentage 12.50% 12.50%