|
Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)
In Thousands, except Per Share data |
Apr. 30, 2011
|
Jul. 31, 2010
|
|---|---|---|
| Stockholders' equity | Â | Â |
| Common stock, par value | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 350,000 | 350,000 |
| Common stock, shares issued | 103,819 | 93,606 |
| Common stock, shares outstanding | 103,819 | 93,606 |