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Equity (Stockholders Rights Plan) (Details) - $ / shares
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01
2020 Rights Agreement [Member]    
Number of shares issuable per right 10  
Repurchase of Warrants, price per share $ 200.00  
Share Price $ 20.00  
Voting Power, Percentage 50.00%  
Percentage of purchase price requirement 1.00%  
Number of fractal units issued 0  
Redemption price per right $ 0.001  
Series C Junior Participating Preferred Stock | 2020 Rights Agreement [Member]    
Preferred Stock, par value 0.001  
Rights agreement, purchase price per unit $ 100.00  
Class of Warrant or Right, Exercise Trigger, Percentage of Common Stock Owned by Individual or Affiliates 4.95%