Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Details 1)

v3.20.1
Shareholders' Equity (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding beginning 2,520,101 1,803,094
Granted 1,242,144 812,000
Exercised (416) (15,292)
Forfeited/canceled (245,297) (79,701)
Outstanding ending 3,516,532 2,520,101
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding beginning $ 4.32 $ 4.41
Granted 4.02 4.16
Exercised 3.78 3.31
Forfeited/canceled 4.24 4.63
Outstanding ending $ 4.22 $ 4.32
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Life [Roll Forward]    
Outstanding beginning 8 years 8 months 19 days 8 years 10 months 10 days
Outstanding ending 7 years 10 months 28 days 8 years 8 months 19 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Aggregate Intrinsic Value [Roll Forward]    
Outstanding beginning $ 421
Exercised [1] $ 6
Forfeited/canceled   $ 1
Outstanding ending
[1] represents amount less than $1,000