Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary Of Share-Based Transactions ) (Details)

v3.19.2
Stock-Based Compensation (Summary Of Share-Based Transactions ) (Details) - Stock Option [Member] - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Number of Options, Oustanding 255,922  
Number of Options, Granted 52,465  
Number of Options, Exercised  
Number of Options, Expired (2,080)  
Number of Options, Cancelled (67,961)  
Number of Options, Oustanding 238,346 255,922
Weighted Average Exercise Price, Outstanding $ 41.88  
Weighted Average Exercise Price, Granted 6.41  
Weighted Average Exercise Price, Exercised  
Weighted average exercise price, Expired 97.78  
Weighted Average Exercise Price, Cancelled 39.02  
Weighted Average Exercise Price, Outstanding $ 34.36 $ 41.88
Weighted Average Remaining Contractual Term, Outstanding 7 years 7 months 6 days 7 years 9 months 18 days
Aggregate Intrinsic Value, Outstanding
Number of Options, Exercisable 119,953  
Weighted Average Exercise Price, Exercisable $ 55.44  
Weighted Average Remaining Contractual Term, Exercisable 6 years 2 months 12 days  
Aggregate Intrinsic Value, Exercisable