Notes Payable (Tables)

6 Months Ended

Jun. 30, 2016

Notes Payable

Schedule of estimated future principal payments

Estimated future principal payments at June 30, 2016 are as follows (in thousands):

Year Ending December 31,	Amount
Remainder 2016	$	1,667
2017	3,333
2018	2,500
Total	$	7,500
Less: discount for warrants and costs paid to lender	(184		)
Less: current portion	(3,207		)
Note payable, net of current portion and discount	$	4,109