|
Stock-Based Compensation (Narrative) (Details) (USD $)
|
1 Months Ended |
12 Months Ended |
1 Months Ended |
|
|
|
Apr. 30, 2008
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Feb. 28, 2015
|
Apr. 01, 2008
|
Apr. 30, 2011
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Number of additional shares authorized |
1,000,000 |
|
|
|
|
|
|
| Shares reserved and available for future grants |
|
3,951,769 |
|
|
|
|
|
| Stock options granted (in shares) |
|
0 |
5,507 |
32,399 |
|
|
|
| Exercise price |
|
$ 42.80 |
|
|
|
|
|
| Equity instruments other than options granted (in shares) |
|
602,422 |
|
|
|
|
|
| Grants in period, weighted average grant date fair value (in dollars per share) |
|
$ 4.80 |
|
|
|
|
|
| Canceled / forfeited (in shares) |
|
7,970 |
|
|
|
|
|
| Employee Stock Option |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Limitation on the strike price |
100.00% |
85.00% |
|
|
|
|
|
| Stock option expiration period (in years) |
|
10 years |
|
|
|
|
|
| Restricted Stock |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Equity instruments other than options granted (in shares) |
|
602,422 |
|
|
|
|
|
| Grants in period, weighted average grant date fair value (in dollars per share) |
|
$ 4.80 |
|
|
|
|
|
| Unrecognized share-based compensation awards other than options |
|
$ 3,200,000 |
|
|
|
|
|
| Period for recognition of expense |
|
5 years |
|
|
|
|
|
| Share-based compensation expense |
|
1,200,000 |
800,000 |
900,000 |
|
|
|
| Restricted Stock | Minimum |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Vesting period (in years) |
|
3 years |
|
|
|
|
|
| Restricted Stock | Maximum |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Vesting period (in years) |
|
5 years |
|
|
|
|
|
| Restricted Stock Units (RSUs) |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Equity instruments other than options granted (in shares) |
|
0 |
4,498 |
9,386 |
|
|
|
| Unrecognized share-based compensation awards other than options |
|
$ 0 |
0 |
0 |
|
|
|
| Canceled / forfeited (in shares) |
|
0 |
0 |
0 |
|
|
|
| Outstanding fully vested RSUs (in shares) |
|
16,067 |
16,067 |
16,262 |
|
|
|
| Outstanding weighted average grant date fair value (in dollars per share) |
|
$ 9.22 |
9.22 |
6.45 |
|
|
|
| Before Amendment |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Number of shares authorized |
|
|
|
|
|
1,000,000 |
|
| After Amendment |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Number of shares authorized |
|
|
|
|
|
|
6,000,000 |
| Subsequent Event | Executive Officer | Employee Stock Option |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Stock option expiration period (in years) |
|
|
|
|
10 years |
|
|
| Stock options granted (in shares) |
|
|
|
|
3,300,000 |
|
|
| Estimated grant date fair value |
|
|
|
|
$ 1.63 |
|
|
| Exercise price |
|
|
|
|
$ 4.79 |
|
|
| Expected dividend yield |
|
|
|
|
0.00% |
|
|
| Expected volatility |
|
|
|
|
36.59% |
|
|
| Risk-free interest rate |
|
|
|
|
1.28% |
|
|
| Expected option lives |
|
|
|
|
5 years |
|
|
| Subsequent Event | Executive Officer | Employee Stock Option | Minimum |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Vesting period (in years) |
|
|
|
|
3 years |
|
|
| Subsequent Event | Executive Officer | Employee Stock Option | Maximum |
|
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
|
| Vesting period (in years) |
|
|
|
|
5 years |
|
|