| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| May 31, 2012 | Series A | $ 2.77M | Serious Change,Spring Ventures,etc. | Detail |
| Jul 1, 2012 | Series A | $ 0.92M | Spring Ventures | Detail |
| Jun 13, 2012 | Grant | $ 2M | US Department of Energy | Detail |
| May 14, 2012 | Seed | 0 | Mike Hennessey | Detail |