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Share-Based Payment Arrangements Stock Option Activity (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Number of Options Outstanding, Beginning 13,537  
Number of Options, Granted 0  
Number of Options, Exercised 0  
Number of Options, Forfeited (2,587)  
Number of Options, Expired (505)  
Number of Options Outstanding, Ending 10,445 13,537
Number of Options, Exercisable 10,445  
Number of Options, Expected to Vest after end of period 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]    
Weighted Average Exercise Price, Outstanding, Beginning (in dollars per share) $ 140.35  
Weighted Average Exercise Price, Granted (in dollars per share) 0.00  
Weighted Average Exercise Price, Exercised (in dollars per share) 0.00  
Weighted Average Exercise Price, Forfeited (in dollars per share) 163.65  
Weighted Average Exercise Price, Expired (in dollars per share) 286.35  
Weighted Average Exercise Price, Outstanding, Ending (in dollars per share) 127.53 $ 140.35
Weighted Average Exercise Price, Exercisable (in dollars per share) 127.53  
Weighted Average Exercise Price, Expected to Vest After End of Period (in dollars per share) $ 0.00  
Weighted Average Remaining Contractual Life (in years), Outstanding 4 years 11 months 15 days 5 years 7 months 7 days
Weighted Average Remaining Contractual Life (in years), Exercisable 4 years 11 months 15 days  
Weighted Average Remaining Contractual Life (in years), Expected to Vest after end of period 1 day  
Aggregate Intrinsic Value, Outstanding $ 0 $ 0
Aggregate Intrinsic Value, Exercisable 0  
Aggregate Intrinsic Value, Expected to Vest $ 0