Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Options Activity (Details)

v3.19.1
Stockholders' Equity - Summary of Options Activity (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
$ / shares
shares
Aggregate intrinsic value outstanding | $ $ 64,790
Stock Option [Member]  
Number of shares options outstanding | shares 107,901
Number of shares options granted | shares 47,540
Number of shares options exercised | shares
Number of shares options canceled/forfeited/expired | shares (50,133)
Number of shares options outstanding | shares 105,308
Number of shares options exercisable | shares 105,308
Weighted average exercise price options outstanding | $ / shares $ 42.31
Weighted average exercise price options granted | $ / shares 24.61
Weighted average exercise price options exercised | $ / shares
Weighted average exercise price options canceled/forfeited/expired | $ / shares 44.88
Weighted average exercise price options outstanding | $ / shares 33.10
Weighted average exercise price option exercisable | $ / shares $ 33.10
Weighted average remaining life in years outstanding 2 years 10 months 25 days
Weighted average remaining life in years exercisable 2 years 10 months 25 days
Aggregate intrinsic value outstanding | $
Aggregate intrinsic value exercisable | $