| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Oct 16, 2001 | Series A | $ 11M | Allegra Partners,Diamondhead Ventures,etc. | Detail |
| Apr 27, 2006 | Series Unknown | $ 18.69M | Ampersand Capital Partners,Diamondhead Ventures,etc. | Detail |
| Jan 14, 2008 | Series Unknown | $ 13.60M | Ampersand Capital Partners,Diamondhead Ventures,etc. | Detail |
| Aug 2, 2011 | Series Unknown | $ 6.40M | Oak Investment Partners | Detail |
| Mar 1, 2010 | Series Unknown | $ 7.29M | Ampersand Capital Partners,Diamondhead Ventures,etc. | Detail |
| Jul 18, 2003 | Series B | $ 8.27M | Ampersand Capital Partners,Diamondhead Ventures,etc. | Detail |