Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt

Schedule of future principal payment

        Future principal payments, which exclude the 3% end of term charge, in connection with the 2014 Loan Agreement, as of December 31, 2014 are as follows:

	Principal Payments
2015	$	—
2016		1,851
2017		2,971
2018		2,678
Total	$	7,500