| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| US Department of Energy | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Sep 13, 2011 | Grant | $ 2.30M | US Department of Energy | Detail |
| Jun 20, 2011 | Series C | $ 19M | Texas Wide Open for Business | Detail |