| Announced Date | Round | Money Raised | Number of Investors | Lead Investors | Post Valuation | |
|---|---|---|---|---|---|---|
| Jan 5, 2015 | Series Unknown | $7.20M | 1 | — | — | Detail |
| Apr 2, 2014 | Series C | $29M | 9 | — | — | Detail |
| Jan 17, 2012 | Series B | $16M | 9 | — | — | Detail |
| Jun 15, 2011 | Series B | $51M | 9 | — | — | Detail |
| Jun 1, 2009 | Series B | $35M | 6 | HLM Venture Partners | — | Detail |
| Nov 10, 2006 | Series A | $7M | 2 | Morgenthaler Ventures , Split Rock Partners | — | Detail |