Earnings (Loss) per Share - Schedule of Antidilutive Securities Excluded from the Computation of Diluted Earnings (Loss) Per Common Share (Detail) - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Options [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Outstanding units and warrants excluded from computation of diluted loss per share/unit | 2,457,955 | 3,257,028 | 3,545,576 | 3,257,028 |
| Restricted Stock Units [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Outstanding units and warrants excluded from computation of diluted loss per share/unit | 135,370 | 135,370 | ||