Stockholders' equity (deficit) (Tables)

9 Months Ended

Sep. 30, 2014

Stockholders Equity Deficit Tables

Series B common stock reserved future issuance

	As of September 30, 2014
Warrants outstanding		26,669
Stock options outstanding		3,058
Options reserved for future issuance under the Company's 2007 Incentive Plan		49,454
Total reserved for future issuance		79,181