| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Jun 3, 2002 | Series C | $ 30M | Canaan Partners,Federated Kaufmann Fund,etc. | Detail |
| Jan 6, 2005 | Series D | $ 22.50M | Canaan Partners,RWI Group,etc. | Detail |
| Apr 14, 2005 | IPO | $ 56.40M | Detail |