Note 5 - Loss Per Share (Details) - Calculation of Basic and Diluted Net Income (Loss) Per Common Share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Basic and dilutive numerator: | ||||
| Net loss (in Dollars) | $ (6,647) | $ (1,180) | $ (7,312) | $ (2,799) |
| Denominator: | ||||
| Shares outstanding | 44,849 | 39,764 | 44,725 | 39,265 |
| Contingently issuable shares - vested RSUs | 3 | 3 | ||
| Weighted-average shares outstanding—basic | 44,849 | 39,767 | 44,725 | 39,268 |
| Net effect of dilutive securities: | ||||
| Weighted-average shares outstanding—diluted | 44,849 | 39,767 | 44,725 | 39,268 |
| Net loss per share—basic (in Dollars per share) | $ (0.15) | $ (0.03) | $ (0.16) | $ (0.07) |
| Net loss per share—diluted (in Dollars per share) | $ (0.15) | $ (0.03) | $ (0.16) | $ (0.07) |