| Round | Announced on | Number of investors | Raised |
|---|---|---|---|
| Series A | Aug. 9, 2004 | 3 | $3,500,000 |
| Series B | March 13, 2006 | $5,000,000 | |
| Series C | June 29, 2007 | 8 | $12,750,000 |
| Series Unknown | March 1, 2008 | $12,822,000 | |
| Series Unknown | Oct. 30, 2009 | 1 | |
| Series Unknown | Feb. 1, 2015 | 1 |