The computations of diluted net loss per share for the years ended December 31, 2013, 2012 and 2011 did not include the effects of the following stock options and warrants to acquire stock which were outstanding as of the end of each year because the inclusion of these securities would have been anti-dilutive (in thousands).
|
| | | | | | | | |
| Year Ended December 31, |
| 2013 | | 2012 | | 2011 |
Options outstanding to purchase common stock | 1,821 |
| | 1,539 |
| | 1,599 |
|
Warrants | — |
| | — |
| | 88 |
|
Unvested restricted stock | 976 |
| | 966 |
| | 403 |
|
Total | 2,797 |
| | 2,505 |
| | 2,090 |
|