| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Feb 25, 2009 | Series A | $ 8.30M | InterWest Partners,Vivo Capital | Detail |
| Apr 15, 2011 | Series A | $ 14.46M | InterWest Partners,Vivo Capital | Detail |
| Jan 1, 2007 | Seed | 0 | RA Capital Management | Detail |