|
Net (Income) Loss Per Common Share (Details 1)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
|
Shares issuable upon exercise of warrants [Member]
|
||||
| Warrants options and purchase rights excluded from the computation of diluted net loss per share | ||||
| Securities excluded from computation of earnings per share | 16,643 | 12,615 | 16,643 | |
|
Shares issuable upon exercise of stock options [Member]
|
||||
| Warrants options and purchase rights excluded from the computation of diluted net loss per share | ||||
| Securities excluded from computation of earnings per share | 5,072 | 3,580 | 5,072 | 3,580 |
|
Shares issuable related to the ESPP [Member]
|
||||
| Warrants options and purchase rights excluded from the computation of diluted net loss per share | ||||
| Securities excluded from computation of earnings per share | 79 | 65 | 79 | 65 |