| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Mar 15, 2008 | Series B | $ 20.30M | Morgenthaler Ventures,Split Rock Partners,etc. | Detail |
| Oct 5, 2010 | Debt Financing | $ 1M | Detail | |
| Nov 19, 2010 | Debt Financing | $ 1.75M | Detail | |
| Feb 1, 2006 | Series A | $ 5M | Detail | |
| May 31, 2011 | Series C | $ 36M | Detail |