Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt

Schedule of future principal payments

Future principal payments, which exclude the 3% end of term charge that will be payable upon repayment of the notes in full, in connection with the Loan Agreement, as of December 31, 2015 are as follows:

	Principal Payments
2016	$	3,693
2017		5,940
2018		5,367
Total	$	15,000