| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| Investec | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Sep 15, 2008 | Series C | $ 18M | New Energy Solutions | Detail |
| Jan 30, 2007 | Series B | $ 9.80M | The Cambridge Gateway Fund | Detail |
| Aug 1, 2005 | Series A | $ 7.75M | NW Brown Ventures | Detail |
| May 18, 2011 | Series Unknown | £ 10M | Adaxia Capital Partners | Detail |