Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.19.1
Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Options, Outstanding at beginning of period 11,302 11,446
Options, Granted
Options, Exercised
Options, Forfeited
Options, Expired (1) (144)
Options, Outstanding at end of period 11,301 11,302
Options, Exercisable at end of period 10,636 9,835
Options, Vested and expected to vest at end of period 11,301 11,302
Weighted Average Exercise Price, Outstanding at beginning of period $ 264.26 $ 367.08
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited
Weighted Average Exercise Price, Expired 7,423.20 8,719.64
Weighted Average Exercise Price, Outstanding at end of period 263.85 264.26
Weighted Average Exercise Price, Exercisable at end of period 261.61 287.31
Weighted Average Exercise Price, Vested and expected to vest at end of period $ 263.85 $ 264.26
Weighted Average Remaining Contractual Terms (Years), Outstanding at beginning 7 years 3 months 19 days 8 years 2 months 12 days
Weighted Average Remaining Contractual Terms (Years), Outstanding at ending 6 years 3 months 19 days 7 years 3 months 19 days
Weighted Average Remaining Contractual Terms (Years), Exercisable 7 years 1 month 6 days 8 years 3 months 19 days
Weighted Average Remaining Contractual Terms (years), Vested and expected to vest 6 years 3 months 19 days 7 years 3 months 19 days
Intrinsic Value, Outstanding at beginning of period
Intrinsic Value, Outstanding at end of period
Intrinsic Value, Exercisable at end of period
Intrinsic Value, Vested and expected to vest at end of period