| Round | Announced on | Number of investors | Raised |
|---|---|---|---|
| Series B | Nov. 1, 2003 | 1 | $5,300,000 |
| Series C | March 9, 2006 | 2 | $4,500,000 |
| Series D | July 23, 2008 | 2 | $7,500,000 |
| Series Unknown | Jan. 9, 2014 | 1 | $1,000,000 |
| Series Unknown | Feb. 12, 2014 | 1 | |
| Secondary Market | Feb. 19, 2014 | 3 |
Total of 9 investors