|
Note 6 - Share Capital (Details) - Reconciliation of the Numerators and Denominators of Basic and Diluted Loss Per Share (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Numerator: | |||
| Basic | $ (49,963) | $ (38,759) | $ (3,415) |
| Adjustments for change in fair value of warrant liability | (25,520) | ||
| Diluted | $ (49,963) | $ (38,759) | $ (28,935) |
| Weighted average shares outstanding used to compute net loss per share: | |||
| Basic | 77,619,807 | 62,387,616 | 53,728,672 |
| Dilutive effect of warrants | 1,171,283 | ||
| Diluted | 77,619,807 | 62,387,616 | 54,899,955 |
| Net loss per share—basic | $ (0.64) | $ (0.62) | $ (0.06) |
| Net loss per share—diluted | $ (0.64) | $ (0.62) | $ (0.53) |