Notes Payable

12 Months Ended

Dec. 31, 2018

Notes Payable

Notes Payable

6. Notes Payable

In 2014, we borrowed an aggregate of $7.0 million in connection with a Loan and Security Agreement, as amended (LSA).  In July 2017, we paid in full the entire outstanding term loans balance of $3.5 million and accrued interest, with no penalty for prepayment.  Interest expense related to the term loans was $0.2 million and $0.5 million for the years ended December 31, 2017 and 2016, respectively.