Stock-based Compensation - Additional Information (Narrative) (Details)
|
|
12 Months Ended |
|
|
Jul. 29, 2015
increment
$ / shares
|
Dec. 31, 2015
shares
|
Dec. 31, 2014
shares
|
Dec. 31, 2013
shares
|
Jul. 02, 2015
shares
|
| 2012 Long-Term Incentive Plan |
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
| Number of common stock shares reserved for issuance |
|
1,417,649
|
|
|
|
| Number of common stock shares available for grant |
|
978,375
|
|
|
|
| 2012 Long-Term Incentive Plan | RSUs |
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
| Granted (in shares) |
|
48,323
|
35,752
|
45,914
|
|
| CEO Plan and Stock Option Agreement | Options |
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
| Number of common stock shares reserved for issuance |
|
|
|
|
165,000
|
| Weighted average exercise price of grants in period (in dollars per share) | $ / shares |
$ 6.05
|
|
|
|
|
| Additional increments | increment |
16
|
|
|
|
|
| Weighted average fair value of grants in period (in dollars per share) | $ / shares |
$ 2.15
|
|
|
|
|
| Risk free interest rate (percent) |
1.05%
|
|
|
|
|
| Expected dividend rate (percent) |
0.00%
|
|
|
|
|
| Expected life |
10 years
|
|
|
|
|
| Expected volatility rate (percent) |
61.80%
|
|
|
|
|
| Number of options exercisable |
|
0
|
|
|
|
| CEO Plan and Stock Option Agreement | Options | March 2, 2016 |
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
| Exercise price range (percentage) |
20.00%
|
|
|
|
|
| CEO Plan and Stock Option Agreement | Options | Last Day of Each Quarter, Starting June 30, 2016 |
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
| Exercise price range (percentage) |
5.00%
|
|
|
|
|