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Balance Sheet Parentheticals (Parentheticals) - $ / shares
Dec. 31, 2016
Dec. 31, 2015
Balance Sheet Parentheticals [Abstract]    
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
Common Stock, Shares Authorized 150,000,000 150,000,000
Common Stock, Shares, Issued 65,704,568 40,174,776
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
Treasury Stock, Shares 28,763 20,220