Loss Per Common Share (Details) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Common shares | ||||
| Shares with anti-dilutive effect, not included in calculation of earnings per share | 5,136,726 | 3,533,542 | 5,163,035 | 3,626,729 |
| Convertible Preferred Stock | ||||
| Shares with anti-dilutive effect, not included in calculation of earnings per share | 5,625,370 | 5,935,000 | 5,625,370 | 5,935,000 |