| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Feb 3, 2010 | Series Unknown | $ 2M | Accel,Benchmark,etc. | Detail |
| Nov 1, 2009 | Series Unknown | $ 1M | QED Investors | Detail |
| Jun 20, 2007 | Series C | $ 20M | Accel,Benchmark,etc. | Detail |
| Feb 1, 2006 | Series B | $ 12.50M | Accel,Benchmark,etc. | Detail |
| Apr 1, 2005 | Series A | $ 7.50M | Accel,Benchmark | Detail |
| Apr 16, 2010 | Series D | $ 14.70M | Accel,Atlanticus,etc. | Detail |
| Jun 7, 2011 | Series E | $ 17.20M | Accel,Atlanticus,etc. | Detail |