Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 1)

v3.19.2
Stockholders' Equity (Details 1)
6 Months Ended
Jun. 30, 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 75,000
Expired / forfeited | shares (12)
Balance at ending | shares 1,461,384
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 3.25
Expired / forfeited | $ / shares 385.60
Balance at ending | $ / shares $ 10.68