Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details 1)

v3.19.1
Share-Based Compensation (Details 1) - USD ($)
9 Months Ended 12 Months Ended
Feb. 20, 2019
Mar. 31, 2019
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Options, Outstanding at beginning of the period   1,364,583  
Stock Options, Issued under Option Exchange   874,310  
Stock Options, Forfeited/expired   (1,292,374)  
Stock Options, Outstanding at end of the period   946,519 1,364,583
Stock Options, As of December 31, 2018 vested and expected to vest   937,559  
Stock Options, Exercisable as of December 31, 2018   68,747  
Weighted-average Exercise Price, Outstanding at beginning of the period   $ 12.01  
Weighted-average Exercise Price, Issued under Option Exchange $ 0.93 0.93  
Weighted-average Exercise Price, Forfeited/expired   12.08  
Weighted-average Exercise Price, Outstanding at end of the period   1.68 $ 12.01
Weighted-average Exercise Price, As of December 31, 2018 vested and expected to vest   11.12  
Weighted-averae Exercise Price, Exercisable as of December 31, 2018   $ 11.12  
Weighted-average Remaining Contractual Term (in years), Outstanding   4 years 9 months 18 days 4 years 10 months 24 days
Weighted-average Remaining Contractual Term (in years), As of December 31, 2018 vested and expected to vest   3 years 8 months 12 days  
Weighted-average Remaining Contractual Term (in years), Exercisable as of December 30, 2018   3 years 8 months 12 days  
Aggregate Intrinsic Value ,Outstanding   $ 0 $ 0
Aggregate Intrinsic Value, As of December 31, 2018 vested and expected to vest   0  
Aggregate Intrinsic Value, Exercisable as of December 30, 2018   $ 0