Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.19.1
Stockholders' Equity (Details)
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Balance at beginning | shares 1,386,396
Granted | shares
Expired / forfeited | shares (12)
Balance at ending | shares 1,386,384
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]  
Balance at beginning | $ / shares $ 11.09
Granted | $ / shares
Expired / forfeited | $ / shares 385.60
Balance at ending | $ / shares $ 11.09