|
Condensed Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
|
Sep. 30, 2012
|
Dec. 31, 2011
|
| Preferred stock, par value (in dollars per share) |
$ 0.001 |
|
| Preferred stock, shares authorized |
5,000,000 |
|
| Preferred stock, shares issued |
0 |
|
| Preferred stock, shares outstanding |
0 |
|
| Common stock, par value (in dollars per share) |
$ 0.001 |
$ 0.001 |
| Common stock, shares authorized |
100,000,000 |
23,000,000 |
| Common stock, shares issued |
14,262,276 |
3,529,406 |
| Common stock, shares outstanding |
12,452,612 |
1,209,752 |
|
Series A convertible preferred stock
|
|
|
| Convertible preferred stock, par value (in dollars per share) |
$ 0.001 |
$ 0.001 |
| Convertible preferred stock, shares authorized |
0 |
6,200,000 |
| Convertible preferred stock, shares issued |
0 |
6,200,000 |
| Convertible preferred stock, shares outstanding |
0 |
6,200,000 |
| Convertible preferred stock, liquidation preference (in dollars) |
|
$ 6,200 |
|
Series B convertible preferred stock
|
|
|
| Convertible preferred stock, par value (in dollars per share) |
$ 0.001 |
$ 0.001 |
| Convertible preferred stock, shares authorized |
0 |
0 |
| Convertible preferred stock, shares issued |
0 |
0 |
| Convertible preferred stock, shares outstanding |
0 |
0 |